1119811970 has 32 divisors (see below), whose sum is σ = 2058371568. Its totient is φ = 438524928.

The previous prime is 1119811963. The next prime is 1119812009. The reversal of 1119811970 is 791189111.

It is a happy number.

It can be written as a sum of positive squares in 8 ways, for example, as 409536169 + 710275801 = 20237^2 + 26651^2 .

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 94412 + ... + 105608.

Almost surely, 2^1119811970 is an apocalyptic number.

1119811970 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

1119811970 is a deficient number, since it is larger than the sum of its proper divisors (938559598).

1119811970 is a wasteful number, since it uses less digits than its factorization.

1119811970 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 11414.

The product of its (nonzero) digits is 4536, while the sum is 38.

The square root of 1119811970 is about 33463.5917080041. The cubic root of 1119811970 is about 1038.4407013638.

The spelling of 1119811970 in words is "one billion, one hundred nineteen million, eight hundred eleven thousand, nine hundred seventy".