1113437401 has 2 divisors, whose sum is σ = 1113437402. Its totient is φ = 1113437400.

The previous prime is 1113437317. The next prime is 1113437431. The reversal of 1113437401 is 1047343111.

It is a happy number.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 588111001 + 525326400 = 24251^2 + 22920^2 .

It is a cyclic number.

It is not a de Polignac number, because 1113437401 - 2¹³ = 1113429209 is a prime.

It is not a weakly prime, because it can be changed into another prime (1113437431) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 556718700 + 556718701.

It is an arithmetic number, because the mean of its divisors is an integer number (556718701).

Almost surely, 2^1113437401 is an apocalyptic number.

It is an amenable number.

1113437401 is a deficient number, since it is larger than the sum of its proper divisors (1).

1113437401 is an equidigital number, since it uses as much as digits as its factorization.

1113437401 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 1008, while the sum is 25.

The square root of 1113437401 is about 33368.2094365281. The cubic root of 1113437401 is about 1036.4664971380.

The spelling of 1113437401 in words is "one billion, one hundred thirteen million, four hundred thirty-seven thousand, four hundred one".