1290964162542 has 16 divisors (see below), whose sum is σ = 2602258470912. Its totient is φ = 426933029880.

The previous prime is 1290964162519. The next prime is 1290964162571. The reversal of 1290964162542 is 2452614690921.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 847088584 + ... + 847090107.

It is an arithmetic number, because the mean of its divisors is an integer number (162641154432).

Almost surely, 2^{1290964162542} is an apocalyptic number.

1290964162542 is an abundant number, since it is smaller than the sum of its proper divisors (1311294308370).

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

1290964162542 is a wasteful number, since it uses less digits than its factorization.

1290964162542 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1694178823.

The product of its (nonzero) digits is 1866240, while the sum is 51.

The spelling of 1290964162542 in words is "one trillion, two hundred ninety billion, nine hundred sixty-four million, one hundred sixty-two thousand, five hundred forty-two".