1245415231 has 2 divisors, whose sum is σ = 1245415232. Its totient is φ = 1245415230.

The previous prime is 1245415219. The next prime is 1245415243. The reversal of 1245415231 is 1325145421.

It is a balanced prime because it is at equal distance from previous prime (1245415219) and next prime (1245415243).

It is a cyclic number.

It is not a de Polignac number, because 1245415231 - 2¹³ = 1245407039 is a prime.

It is a super-2 number, since 2×1245415231² = 3102118195213566722, 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 1245415231.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (1245415261) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 622707615 + 622707616.

It is an arithmetic number, because the mean of its divisors is an integer number (622707616).

Almost surely, 2^1245415231 is an apocalyptic number.

1245415231 is a deficient number, since it is larger than the sum of its proper divisors (1).

1245415231 is an equidigital number, since it uses as much as digits as its factorization.

1245415231 is an evil number, because the sum of its binary digits is even.

The product of its digits is 4800, while the sum is 28.

The square root of 1245415231 is about 35290.4410712023. The cubic root of 1245415231 is about 1075.8987201582.

The spelling of 1245415231 in words is "one billion, two hundred forty-five million, four hundred fifteen thousand, two hundred thirty-one".