1297750552 has 32 divisors (see below), whose sum is σ = 2788394400. Its totient is φ = 554678784.

The previous prime is 1297750529. The next prime is 1297750577. The reversal of 1297750552 is 2550577921.

It is a happy number.

It is a junction number, because it is equal to n+sod(n) for n = 1297750499 and 1297750508.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 10177 + ... + 51952.

It is an arithmetic number, because the mean of its divisors is an integer number (87137325).

Almost surely, 2^1297750552 is an apocalyptic number.

It is an amenable number.

1297750552 is an abundant number, since it is smaller than the sum of its proper divisors (1490643848).

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

1297750552 is a wasteful number, since it uses less digits than its factorization.

1297750552 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 62515 (or 62511 counting only the distinct ones).

The product of its (nonzero) digits is 220500, while the sum is 43.

The square root of 1297750552 is about 36024.3050175850. The cubic root of 1297750552 is about 1090.7630243643.

The spelling of 1297750552 in words is "one billion, two hundred ninety-seven million, seven hundred fifty thousand, five hundred fifty-two".