1124925621840 has 400 divisors, whose sum is σ = 3934028094480. Its totient is φ = 297914941440.

The previous prime is 1124925621821. The next prime is 1124925621889. The reversal of 1124925621840 is 481265294211.

1124925621840 is a `hidden beast` number, since 1 + 1 + 2 + 4 + 9 + 2 + 562 + 1 + 84 + 0 = 666.

It can be written as a sum of positive squares in 8 ways, for example, as 60174052416 + 1064751569424 = 245304^2 + 1031868^2 .

It is a super-2 number, since 2×1124925621840² (a number of 25 digits) contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (45).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 79 ways as a sum of consecutive naturals, for example, 826542760 + ... + 826544120.

Almost surely, 2^{1124925621840} is an apocalyptic number.

1124925621840 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 1124925621840, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1967014047240).

1124925621840 is an abundant number, since it is smaller than the sum of its proper divisors (2809102472640).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

1124925621840 is a wasteful number, since it uses less digits than its factorization.

1124925621840 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2172 (or 2157 counting only the distinct ones).

The product of its (nonzero) digits is 276480, while the sum is 45.

The spelling of 1124925621840 in words is "one trillion, one hundred twenty-four billion, nine hundred twenty-five million, six hundred twenty-one thousand, eight hundred forty".