1139880601 has 2 divisors, whose sum is σ = 1139880602. Its totient is φ = 1139880600.

The previous prime is 1139880589. The next prime is 1139880631. The reversal of 1139880601 is 1060889311.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 855621001 + 284259600 = 29251^2 + 16860^2 .

It is a cyclic number.

It is not a de Polignac number, because 1139880601 - 2¹⁵ = 1139847833 is a prime.

It is a super-2 number, since 2×1139880601² = 2598655569072242402, which contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (1139880631) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 569940300 + 569940301.

It is an arithmetic number, because the mean of its divisors is an integer number (569940301).

Almost surely, 2^1139880601 is an apocalyptic number.

It is an amenable number.

1139880601 is a deficient number, since it is larger than the sum of its proper divisors (1).

1139880601 is an equidigital number, since it uses as much as digits as its factorization.

1139880601 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 10368, while the sum is 37.

The square root of 1139880601 is about 33762.1178393773. The cubic root of 1139880601 is about 1044.6074549524.

The spelling of 1139880601 in words is "one billion, one hundred thirty-nine million, eight hundred eighty thousand, six hundred one".