1061605402 has 16 divisors (see below), whose sum is σ = 1870801632. Its totient is φ = 445428720.

The previous prime is 1061605399. The next prime is 1061605429. The reversal of 1061605402 is 2045061601.

1061605402 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a super-2 number, since 2×1061605402² = 2254012059111163208, 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, 1855668 + ... + 1856239.

It is an arithmetic number, because the mean of its divisors is an integer number (116925102).

Almost surely, 2^1061605402 is an apocalyptic number.

1061605402 is a deficient number, since it is larger than the sum of its proper divisors (809196230).

1061605402 is a wasteful number, since it uses less digits than its factorization.

1061605402 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3711933.

The product of its (nonzero) digits is 1440, while the sum is 25.

The square root of 1061605402 is about 32582.2866293942. The cubic root of 1061605402 is about 1020.1273075752.

The spelling of 1061605402 in words is "one billion, sixty-one million, six hundred five thousand, four hundred two".