1297592742 has 8 divisors (see below), whose sum is σ = 2595185496. Its totient is φ = 432530912.

The previous prime is 1297592651. The next prime is 1297592749. The reversal of 1297592742 is 2472957921.

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

1297592742 is an admirable number.

It is a junction number, because it is equal to n+sod(n) for n = 1297592691 and 1297592700.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1297592749) 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, 108132723 + ... + 108132734.

It is an arithmetic number, because the mean of its divisors is an integer number (324398187).

Almost surely, 2^1297592742 is an apocalyptic number.

1297592742 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.

1297592742 is a wasteful number, since it uses less digits than its factorization.

1297592742 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 216265462.

The product of its digits is 635040, while the sum is 48.

The square root of 1297592742 is about 36022.1146242138. The cubic root of 1297592742 is about 1090.7188093209.

The spelling of 1297592742 in words is "one billion, two hundred ninety-seven million, five hundred ninety-two thousand, seven hundred forty-two".