123257274 has 16 divisors (see below), whose sum is σ = 281731008. Its totient is φ = 35216352.

The previous prime is 123257273. The next prime is 123257291. The reversal of 123257274 is 472752321.

It is a super-2 number, since 2×123257274² = 30384711187822152, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (123257273) 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, 1467307 + ... + 1467390.

It is an arithmetic number, because the mean of its divisors is an integer number (17608188).

Almost surely, 2^123257274 is an apocalyptic number.

123257274 is a gapful number since it is divisible by the number (14) formed by its first and last digit.

123257274 is an abundant number, since it is smaller than the sum of its proper divisors (158473734).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

123257274 is a wasteful number, since it uses less digits than its factorization.

123257274 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2934709.

The product of its digits is 23520, while the sum is 33.

The square root of 123257274 is about 11102.1292552375. The cubic root of 123257274 is about 497.6654823521.

The spelling of 123257274 in words is "one hundred twenty-three million, two hundred fifty-seven thousand, two hundred seventy-four".