1261038042262 has 16 divisors (see below), whose sum is σ = 1893483021600. Its totient is φ = 629877169600.

The previous prime is 1261038042233. The next prime is 1261038042283. The reversal of 1261038042262 is 2622408301621.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 22486914 + ... + 22542922.

It is an arithmetic number, because the mean of its divisors is an integer number (118342688850).

Almost surely, 2^{1261038042262} is an apocalyptic number.

1261038042262 is a deficient number, since it is larger than the sum of its proper divisors (632444979338).

1261038042262 is a wasteful number, since it uses less digits than its factorization.

1261038042262 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 67271.

The product of its (nonzero) digits is 55296, while the sum is 37.

The spelling of 1261038042262 in words is "one trillion, two hundred sixty-one billion, thirty-eight million, forty-two thousand, two hundred sixty-two".