1250422428642 has 16 divisors (see below), whose sum is σ = 2536068025152. Its totient is φ = 410936948240.

The previous prime is 1250422428623. The next prime is 1250422428683. The reversal of 1250422428642 is 2468242240521.

It is a junction number, because it is equal to n+sod(n) for n = 1250422428594 and 1250422428603.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1467631533 + ... + 1467632384.

It is an arithmetic number, because the mean of its divisors is an integer number (158504251572).

Almost surely, 2^{1250422428642} is an apocalyptic number.

1250422428642 is an abundant number, since it is smaller than the sum of its proper divisors (1285645596510).

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

1250422428642 is a wasteful number, since it uses less digits than its factorization.

1250422428642 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2935263993.

The product of its (nonzero) digits is 491520, while the sum is 42.

The spelling of 1250422428642 in words is "one trillion, two hundred fifty billion, four hundred twenty-two million, four hundred twenty-eight thousand, six hundred forty-two".