1090961002 has 4 divisors (see below), whose sum is σ = 1636441506. Its totient is φ = 545480500.

The previous prime is 1090960993. The next prime is 1090961023. The reversal of 1090961002 is 2001690901.

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

It can be written as a sum of positive squares in only one way, i.e., 974126521 + 116834481 = 31211^2 + 10809^2 .

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 272740249 + ... + 272740252.

Almost surely, 2^1090961002 is an apocalyptic number.

1090961002 is a deficient number, since it is larger than the sum of its proper divisors (545480504).

1090961002 is an equidigital number, since it uses as much as digits as its factorization.

1090961002 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 545480503.

The product of its (nonzero) digits is 972, while the sum is 28.

The square root of 1090961002 is about 33029.6987876063. The cubic root of 1090961002 is about 1029.4448266501. Note that the first 3 decimals are identical.

The spelling of 1090961002 in words is "one billion, ninety million, nine hundred sixty-one thousand, two".