1061612407 has 4 divisors (see below), whose sum is σ = 1061710416. Its totient is φ = 1061514400.

The previous prime is 1061612401. The next prime is 1061612443. The reversal of 1061612407 is 7042161601.

It is a semiprime because it is the product of two primes, and also a brilliant number, because the two primes have the same length.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-1061612407 is a prime.

It is a super-2 number, since 2×1061612407² = 2254041805392667298, which contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1061612401) 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, 30403 + ... + 55204.

It is an arithmetic number, because the mean of its divisors is an integer number (265427604).

Almost surely, 2^1061612407 is an apocalyptic number.

1061612407 is a deficient number, since it is larger than the sum of its proper divisors (98009).

1061612407 is an equidigital number, since it uses as much as digits as its factorization.

1061612407 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 98008.

The product of its (nonzero) digits is 2016, while the sum is 28.

The square root of 1061612407 is about 32582.3941262762. The cubic root of 1061612407 is about 1020.1295513393.

The spelling of 1061612407 in words is "one billion, sixty-one million, six hundred twelve thousand, four hundred seven".