1076990121 has 16 divisors (see below), whose sum is σ = 1598168320. Its totient is φ = 716811120.

The previous prime is 1076990107. The next prime is 1076990141. The reversal of 1076990121 is 1210996701.

It is not a de Polignac number, because 1076990121 - 2⁷ = 1076989993 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (1076990141) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 15985 + ... + 49086.

It is an arithmetic number, because the mean of its divisors is an integer number (99885520).

Almost surely, 2^1076990121 is an apocalyptic number.

It is an amenable number.

1076990121 is a deficient number, since it is larger than the sum of its proper divisors (521178199).

1076990121 is an equidigital number, since it uses as much as digits as its factorization.

1076990121 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 65693 (or 65687 counting only the distinct ones).

The product of its (nonzero) digits is 6804, while the sum is 36.

The square root of 1076990121 is about 32817.5276491085. The cubic root of 1076990121 is about 1025.0315662696.

The spelling of 1076990121 in words is "one billion, seventy-six million, nine hundred ninety thousand, one hundred twenty-one".