1222539124 has 12 divisors (see below), whose sum is σ = 2140538400. Its totient is φ = 610956728.

The previous prime is 1222539083. The next prime is 1222539127. The reversal of 1222539124 is 4219352221.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1222539127) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 69304 + ... + 85135.

It is an arithmetic number, because the mean of its divisors is an integer number (178378200).

Almost surely, 2^1222539124 is an apocalyptic number.

It is an amenable number.

1222539124 is a deficient number, since it is larger than the sum of its proper divisors (917999276).

1222539124 is a wasteful number, since it uses less digits than its factorization.

1222539124 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 156422 (or 156420 counting only the distinct ones).

The product of its digits is 8640, while the sum is 31.

The square root of 1222539124 is about 34964.8269550987. The cubic root of 1222539124 is about 1069.2705086798.

The spelling of 1222539124 in words is "one billion, two hundred twenty-two million, five hundred thirty-nine thousand, one hundred twenty-four".