1237957242 has 8 divisors (see below), whose sum is σ = 2475914496. Its totient is φ = 412652412.

The previous prime is 1237957219. The next prime is 1237957247. The reversal of 1237957242 is 2427597321.

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

1237957242 is an admirable number.

It is a junction number, because it is equal to n+sod(n) for n = 1237957194 and 1237957203.

It is not an unprimeable number, because it can be changed into a prime (1237957247) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 103163098 + ... + 103163109.

It is an arithmetic number, because the mean of its divisors is an integer number (309489312).

Almost surely, 2^1237957242 is an apocalyptic number.

1237957242 is a primitive abundant number, since it is smaller than the sum of its proper divisors, none of which is abundant.

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

1237957242 is a wasteful number, since it uses less digits than its factorization.

1237957242 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 206326212.

The product of its digits is 211680, while the sum is 42.

The square root of 1237957242 is about 35184.6165532609. The cubic root of 1237957242 is about 1073.7467976358.

The spelling of 1237957242 in words is "one billion, two hundred thirty-seven million, nine hundred fifty-seven thousand, two hundred forty-two".