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122480907 = 3311316999
BaseRepresentation
bin1110100110011…
…10100100001011
322112110200012220
413103032210023
5222323342112
620053105123
73015033123
oct723164413
9275420186
10122480907
116315679a
12350281a3
131c4b5213
14123a3c83
15ab4598c
hex74ce90b

122480907 has 8 divisors (see below), whose sum is σ = 168576000. Its totient is φ = 79019880.

The previous prime is 122480861. The next prime is 122480909. The reversal of 122480907 is 709084221.

It is a happy number.

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

It is not a de Polignac number, because 122480907 - 26 = 122480843 is a prime.

It is not an unprimeable number, because it can be changed into a prime (122480909) 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, 658407 + ... + 658592.

It is an arithmetic number, because the mean of its divisors is an integer number (21072000).

Almost surely, 2122480907 is an apocalyptic number.

122480907 is a deficient number, since it is larger than the sum of its proper divisors (46095093).

122480907 is a wasteful number, since it uses less digits than its factorization.

122480907 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1317033.

The product of its (nonzero) digits is 8064, while the sum is 33.

The square root of 122480907 is about 11067.1092431583. The cubic root of 122480907 is about 496.6183903249.

The spelling of 122480907 in words is "one hundred twenty-two million, four hundred eighty thousand, nine hundred seven".

Divisors: 1 3 31 93 1316999 3950997 40826969 122480907