1250761231 has 2 divisors, whose sum is σ = 1250761232. Its totient is φ = 1250761230.

The previous prime is 1250761217. The next prime is 1250761273. The reversal of 1250761231 is 1321670521.

It is a happy number.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 1250761231 - 2¹³ = 1250753039 is a prime.

It is a super-2 number, since 2×1250761231² = 3128807313945270722, which contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 1250761231.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (1250761201) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 625380615 + 625380616.

It is an arithmetic number, because the mean of its divisors is an integer number (625380616).

Almost surely, 2^1250761231 is an apocalyptic number.

1250761231 is a deficient number, since it is larger than the sum of its proper divisors (1).

1250761231 is an equidigital number, since it uses as much as digits as its factorization.

1250761231 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 2520, while the sum is 28.

The square root of 1250761231 is about 35366.1028528731. The cubic root of 1250761231 is about 1077.4359703053.

The spelling of 1250761231 in words is "one billion, two hundred fifty million, seven hundred sixty-one thousand, two hundred thirty-one".