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122033131 = 1129382549
BaseRepresentation
bin1110100011000…
…01001111101011
322111121220222121
413101201033223
5222220030011
620035332111
73011156503
oct721411753
9274556877
10122033131
1162980330
1234a51037
131c38946c
14122c8a03
15aaa7e71
hex74613eb

122033131 has 8 divisors (see below), whose sum is σ = 137718000. Its totient is φ = 107113440.

The previous prime is 122033077. The next prime is 122033173. The reversal of 122033131 is 131330221.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 122033131 - 217 = 121902059 is a prime.

It is a super-2 number, since 2×1220331312 = 29784170123326322, which contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (122033231) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 190956 + ... + 191593.

It is an arithmetic number, because the mean of its divisors is an integer number (17214750).

Almost surely, 2122033131 is an apocalyptic number.

122033131 is a gapful number since it is divisible by the number (11) formed by its first and last digit.

122033131 is a deficient number, since it is larger than the sum of its proper divisors (15684869).

122033131 is a wasteful number, since it uses less digits than its factorization.

122033131 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 382589.

The product of its (nonzero) digits is 108, while the sum is 16.

The square root of 122033131 is about 11046.8606852807. The cubic root of 122033131 is about 496.0124582264.

Adding to 122033131 its reverse (131330221), we get a palindrome (253363352).

The spelling of 122033131 in words is "one hundred twenty-two million, thirty-three thousand, one hundred thirty-one".

Divisors: 1 11 29 319 382549 4208039 11093921 122033131