1124958861 has 80 divisors (see below), whose sum is σ = 1885137408. Its totient is φ = 664070400.

The previous prime is 1124958853. The next prime is 1124958869. The reversal of 1124958861 is 1688594211.

It is a happy number.

1124958861 is a `hidden beast` number, since 1 + 1 + 2 + 4 + 9 + 588 + 61 = 666.

It is an interprime number because it is at equal distance from previous prime (1124958853) and next prime (1124958869).

It is not a de Polignac number, because 1124958861 - 2³ = 1124958853 is a prime.

It is a Smith number, since the sum of its digits (45) coincides with the sum of the digits of its prime factors.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1124958869) by changing a digit.

It is a polite number, since it can be written in 79 ways as a sum of consecutive naturals, for example, 3065100 + ... + 3065466.

Almost surely, 2^1124958861 is an apocalyptic number.

It is an amenable number.

1124958861 is a deficient number, since it is larger than the sum of its proper divisors (760178547).

1124958861 is a wasteful number, since it uses less digits than its factorization.

1124958861 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 504 (or 495 counting only the distinct ones).

The product of its digits is 138240, while the sum is 45.

The square root of 1124958861 is about 33540.4063928868. The cubic root of 1124958861 is about 1040.0292339539.

The spelling of 1124958861 in words is "one billion, one hundred twenty-four million, nine hundred fifty-eight thousand, eight hundred sixty-one".