1297977842130 has 32 divisors (see below), whose sum is σ = 3279101918400. Its totient is φ = 327910191552.

The previous prime is 1297977842123. The next prime is 1297977842131. The reversal of 1297977842130 is 312487797921.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (1297977842131) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 1138576485 + ... + 1138577624.

It is an arithmetic number, because the mean of its divisors is an integer number (102471934950).

Almost surely, 2^{1297977842130} is an apocalyptic number.

1297977842130 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

1297977842130 is an abundant number, since it is smaller than the sum of its proper divisors (1981124076270).

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

1297977842130 is a wasteful number, since it uses less digits than its factorization.

1297977842130 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2277154138.

The product of its (nonzero) digits is 10668672, while the sum is 60.

The spelling of 1297977842130 in words is "one trillion, two hundred ninety-seven billion, nine hundred seventy-seven million, eight hundred forty-two thousand, one hundred thirty".