1070990919 has 6 divisors (see below), whose sum is σ = 1546986896. Its totient is φ = 713993940.

The previous prime is 1070990897. The next prime is 1070990923. The reversal of 1070990919 is 9190990701.

It is not a de Polignac number, because 1070990919 - 2⁹ = 1070990407 is a prime.

It is a super-2 number, since 2×1070990919² = 2294043097160929122, 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 (1070990989) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 59499487 + ... + 59499504.

Almost surely, 2^1070990919 is an apocalyptic number.

1070990919 is a deficient number, since it is larger than the sum of its proper divisors (475995977).

1070990919 is a wasteful number, since it uses less digits than its factorization.

1070990919 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 118998997 (or 118998994 counting only the distinct ones).

The product of its (nonzero) digits is 45927, while the sum is 45.

The square root of 1070990919 is about 32725.9976012955. The cubic root of 1070990919 is about 1023.1247629789.

The spelling of 1070990919 in words is "one billion, seventy million, nine hundred ninety thousand, nine hundred nineteen".