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122631245 = 5112229659
BaseRepresentation
bin1110100111100…
…11010001001101
322112202022102222
413103303101031
5222343144440
620100225125
73016230332
oct723632115
9275668388
10122631245
1163249740
123509b1a5
131c538789
1412402989
15ab752b5
hex74f344d

122631245 has 8 divisors (see below), whose sum is σ = 160535520. Its totient is φ = 89186320.

The previous prime is 122631211. The next prime is 122631253. The reversal of 122631245 is 542136221.

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 122631245 - 26 = 122631181 is a prime.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1114775 + ... + 1114884.

It is an arithmetic number, because the mean of its divisors is an integer number (20066940).

Almost surely, 2122631245 is an apocalyptic number.

It is an amenable number.

122631245 is a deficient number, since it is larger than the sum of its proper divisors (37904275).

122631245 is a wasteful number, since it uses less digits than its factorization.

122631245 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2229675.

The product of its digits is 2880, while the sum is 26.

The square root of 122631245 is about 11073.8992680988. The cubic root of 122631245 is about 496.8214970541.

Adding to 122631245 its reverse (542136221), we get a palindrome (664767466).

The spelling of 122631245 in words is "one hundred twenty-two million, six hundred thirty-one thousand, two hundred forty-five".

Divisors: 1 5 11 55 2229659 11148295 24526249 122631245