1252124740 has 24 divisors (see below), whose sum is σ = 2690614080. Its totient is φ = 489201888.

The previous prime is 1252124729. The next prime is 1252124759. The reversal of 1252124740 is 474212521.

It is a junction number, because it is equal to n+sod(n) for n = 1252124699 and 1252124708.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 727120 + ... + 728839.

It is an arithmetic number, because the mean of its divisors is an integer number (112108920).

Almost surely, 2^1252124740 is an apocalyptic number.

1252124740 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

1252124740 is an abundant number, since it is smaller than the sum of its proper divisors (1438489340).

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

1252124740 is a wasteful number, since it uses less digits than its factorization.

1252124740 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1456011 (or 1456009 counting only the distinct ones).

The product of its (nonzero) digits is 4480, while the sum is 28.

The square root of 1252124740 is about 35385.3746624223. The cubic root of 1252124740 is about 1077.8273479954.

The spelling of 1252124740 in words is "one billion, two hundred fifty-two million, one hundred twenty-four thousand, seven hundred forty".