1242264526394 has 16 divisors (see below), whose sum is σ = 1865022550560. Its totient is φ = 620590583760.

The previous prime is 1242264526387. The next prime is 1242264526423. The reversal of 1242264526394 is 4936254622421.

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, 10668749 + ... + 10784559.

It is an arithmetic number, because the mean of its divisors is an integer number (116563909410).

Almost surely, 2^{1242264526394} is an apocalyptic number.

1242264526394 is a deficient number, since it is larger than the sum of its proper divisors (622758024166).

1242264526394 is a wasteful number, since it uses less digits than its factorization.

1242264526394 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 120445.

The product of its digits is 4976640, while the sum is 50.

The spelling of 1242264526394 in words is "one trillion, two hundred forty-two billion, two hundred sixty-four million, five hundred twenty-six thousand, three hundred ninety-four".