1070402109 has 24 divisors (see below), whose sum is σ = 1664823168. Its totient is φ = 609960960.

The previous prime is 1070402087. The next prime is 1070402149. The reversal of 1070402109 is 9012040701.

It is not a de Polignac number, because 1070402109 - 2¹¹ = 1070400061 is a prime.

It is a super-2 number, since 2×1070402109² = 2291521349903295762, which contains 22 as substring.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1070402149) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 44029 + ... + 63869.

It is an arithmetic number, because the mean of its divisors is an integer number (69367632).

Almost surely, 2^1070402109 is an apocalyptic number.

It is an amenable number.

1070402109 is a deficient number, since it is larger than the sum of its proper divisors (594421059).

1070402109 is a wasteful number, since it uses less digits than its factorization.

1070402109 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 20225 (or 20218 counting only the distinct ones).

The product of its (nonzero) digits is 504, while the sum is 24.

The square root of 1070402109 is about 32717.0003056515. Note that the first 3 decimals coincide. The cubic root of 1070402109 is about 1022.9372305683.

The spelling of 1070402109 in words is "one billion, seventy million, four hundred two thousand, one hundred nine".