1201557424 has 40 divisors (see below), whose sum is σ = 2376196128. Its totient is φ = 588456960.

The previous prime is 1201557407. The next prime is 1201557437. The reversal of 1201557424 is 4247551021.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 174984 + ... + 181720.

Almost surely, 2^1201557424 is an apocalyptic number.

It is an amenable number.

1201557424 is a deficient number, since it is larger than the sum of its proper divisors (1174638704).

1201557424 is a wasteful number, since it uses less digits than its factorization.

1201557424 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6973 (or 6967 counting only the distinct ones).

The product of its (nonzero) digits is 11200, while the sum is 31.

The square root of 1201557424 is about 34663.4883414812. The cubic root of 1201557424 is about 1063.1180954294.

The spelling of 1201557424 in words is "one billion, two hundred one million, five hundred fifty-seven thousand, four hundred twenty-four".