1113858001 has 2 divisors, whose sum is σ = 1113858002. Its totient is φ = 1113858000.

The previous prime is 1113857989. The next prime is 1113858041. The reversal of 1113858001 is 1008583111.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 964040401 + 149817600 = 31049^2 + 12240^2 .

It is a cyclic number.

It is not a de Polignac number, because 1113858001 - 2¹⁵ = 1113825233 is a prime.

It is not a weakly prime, because it can be changed into another prime (1113858041) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 556929000 + 556929001.

It is an arithmetic number, because the mean of its divisors is an integer number (556929001).

Almost surely, 2^1113858001 is an apocalyptic number.

It is an amenable number.

1113858001 is a deficient number, since it is larger than the sum of its proper divisors (1).

1113858001 is an equidigital number, since it uses as much as digits as its factorization.

1113858001 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 960, while the sum is 28.

The square root of 1113858001 is about 33374.5112473576. The cubic root of 1113858001 is about 1036.5969888113.

The spelling of 1113858001 in words is "one billion, one hundred thirteen million, eight hundred fifty-eight thousand, one".