1250753140 has 96 divisors (see below), whose sum is σ = 3249033984. Its totient is φ = 393845760.

The previous prime is 1250753131. The next prime is 1250753167. The reversal of 1250753140 is 413570521.

It is a happy number.

It is a Harshad number since it is a multiple of its sum of digits (28).

It is a junction number, because it is equal to n+sod(n) for n = 1250753099 and 1250753108.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 382392 + ... + 385648.

It is an arithmetic number, because the mean of its divisors is an integer number (33844104).

Almost surely, 2^1250753140 is an apocalyptic number.

1250753140 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 1250753140, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1624516992).

1250753140 is an abundant number, since it is smaller than the sum of its proper divisors (1998280844).

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

1250753140 is a wasteful number, since it uses less digits than its factorization.

1250753140 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3497 (or 3495 counting only the distinct ones).

The product of its (nonzero) digits is 4200, while the sum is 28.

The square root of 1250753140 is about 35365.9884634941. The cubic root of 1250753140 is about 1077.4336470392.

The spelling of 1250753140 in words is "one billion, two hundred fifty million, seven hundred fifty-three thousand, one hundred forty".