1072405430 has 16 divisors (see below), whose sum is σ = 1977411744. Its totient is φ = 418499520.

The previous prime is 1072405421. The next prime is 1072405469. The reversal of 1072405430 is 345042701.

It is a Curzon number.

It is a self number, because there is not a number n which added to its sum of digits gives 1072405430.

It is a congruent number.

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, 1307402 + ... + 1308221.

It is an arithmetic number, because the mean of its divisors is an integer number (123588234).

Almost surely, 2^1072405430 is an apocalyptic number.

1072405430 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

1072405430 is a deficient number, since it is larger than the sum of its proper divisors (905006314).

1072405430 is a wasteful number, since it uses less digits than its factorization.

1072405430 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2615671.

The product of its (nonzero) digits is 3360, while the sum is 26.

The square root of 1072405430 is about 32747.6018969329. The cubic root of 1072405430 is about 1023.5749954175.

The spelling of 1072405430 in words is "one billion, seventy-two million, four hundred five thousand, four hundred thirty".