1070402039 has 4 divisors (see below), whose sum is σ = 1223316624. Its totient is φ = 917487456.

The previous prime is 1070402027. The next prime is 1070402051. The reversal of 1070402039 is 9302040701.

It is a semiprime because it is the product of two primes.

It is an interprime number because it is at equal distance from previous prime (1070402027) and next prime (1070402051).

It is a cyclic number.

It is not a de Polignac number, because 1070402039 - 2⁴ = 1070402023 is a prime.

It is a super-2 number, since 2×1070402039² = 2291521050190715042, which contains 22 as substring.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 1070401999 and 1070402017.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1070402339) 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, 76457282 + ... + 76457295.

It is an arithmetic number, because the mean of its divisors is an integer number (305829156).

Almost surely, 2^1070402039 is an apocalyptic number.

1070402039 is a deficient number, since it is larger than the sum of its proper divisors (152914585).

1070402039 is an equidigital number, since it uses as much as digits as its factorization.

1070402039 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 152914584.

The product of its (nonzero) digits is 1512, while the sum is 26.

The square root of 1070402039 is about 32716.9992358713. Note that the first 3 decimals coincide. The cubic root of 1070402039 is about 1022.9372082697.

The spelling of 1070402039 in words is "one billion, seventy million, four hundred two thousand, thirty-nine".