1250030140 has 48 divisors (see below), whose sum is σ = 2830655520. Its totient is φ = 462136320.

The previous prime is 1250030129. The next prime is 1250030147. The reversal of 1250030140 is 410300521.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1250030147) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 24537 + ... + 55696.

It is an arithmetic number, because the mean of its divisors is an integer number (58971990).

Almost surely, 2^1250030140 is an apocalyptic number.

1250030140 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

1250030140 is an abundant number, since it is smaller than the sum of its proper divisors (1580625380).

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

1250030140 is a wasteful number, since it uses less digits than its factorization.

1250030140 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 80302 (or 80300 counting only the distinct ones).

The product of its (nonzero) digits is 120, while the sum is 16.

The square root of 1250030140 is about 35355.7653007257. The cubic root of 1250030140 is about 1077.2260029012.

Adding to 1250030140 its reverse (410300521), we get a palindrome (1660330661).

The spelling of 1250030140 in words is "one billion, two hundred fifty million, thirty thousand, one hundred forty".