1240012394 has 16 divisors (see below), whose sum is σ = 1877149248. Its totient is φ = 614319552.

The previous prime is 1240012343. The next prime is 1240012441. The reversal of 1240012394 is 4932100421.

It is a super-2 number, since 2×1240012394² = 3075261474547222472, which contains 22 as substring.

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, 104219 + ... + 115505.

It is an arithmetic number, because the mean of its divisors is an integer number (117321828).

Almost surely, 2^1240012394 is an apocalyptic number.

1240012394 is a deficient number, since it is larger than the sum of its proper divisors (637136854).

1240012394 is a wasteful number, since it uses less digits than its factorization.

1240012394 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 11789.

The product of its (nonzero) digits is 1728, while the sum is 26.

The square root of 1240012394 is about 35213.8097058526. The cubic root of 1240012394 is about 1074.3406503678.

The spelling of 1240012394 in words is "one billion, two hundred forty million, twelve thousand, three hundred ninety-four".