1290113144 has 16 divisors (see below), whose sum is σ = 2432478600. Its totient is φ = 641452192.

The previous prime is 1290113141. The next prime is 1290113147. The reversal of 1290113144 is 4413110921.

It is a happy number.

It is an interprime number because it is at equal distance from previous prime (1290113141) and next prime (1290113147).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1290113141) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 449027 + ... + 451890.

Almost surely, 2^1290113144 is an apocalyptic number.

It is an amenable number.

1290113144 is a deficient number, since it is larger than the sum of its proper divisors (1142365456).

1290113144 is a wasteful number, since it uses less digits than its factorization.

1290113144 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 901102 (or 901098 counting only the distinct ones).

The product of its (nonzero) digits is 864, while the sum is 26.

The square root of 1290113144 is about 35918.1450523270. The cubic root of 1290113144 is about 1088.6190586501.

The spelling of 1290113144 in words is "one billion, two hundred ninety million, one hundred thirteen thousand, one hundred forty-four".