1297157600460 has 48 divisors (see below), whose sum is σ = 3632221113696. Its totient is φ = 345891566592.

The previous prime is 1297157600429. The next prime is 1297157600509. The reversal of 1297157600460 is 640067517921.

It is a super-3 number, since 3×1297157600460³ (a number of 37 digits) contains 333 as substring. Note that it is a super-d number also for d = 2.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 710662 + ... + 1760498.

It is an arithmetic number, because the mean of its divisors is an integer number (75671273202).

Almost surely, 2^{1297157600460} is an apocalyptic number.

1297157600460 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

1297157600460 is an abundant number, since it is smaller than the sum of its proper divisors (2335063513236).

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

1297157600460 is a wasteful number, since it uses less digits than its factorization.

1297157600460 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1070442 (or 1070440 counting only the distinct ones).

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

The spelling of 1297157600460 in words is "one trillion, two hundred ninety-seven billion, one hundred fifty-seven million, six hundred thousand, four hundred sixty".