1260650431 has 2 divisors, whose sum is σ = 1260650432. Its totient is φ = 1260650430.

The previous prime is 1260650429. The next prime is 1260650449. The reversal of 1260650431 is 1340560621.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 1260650431 - 2¹ = 1260650429 is a prime.

It is a super-2 number, since 2×1260650431² = 3178479018360971522, which contains 22 as substring.

Together with 1260650429, it forms a pair of twin primes.

It is a self number, because there is not a number n which added to its sum of digits gives 1260650431.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (1260650731) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 630325215 + 630325216.

It is an arithmetic number, because the mean of its divisors is an integer number (630325216).

Almost surely, 2^1260650431 is an apocalyptic number.

1260650431 is a deficient number, since it is larger than the sum of its proper divisors (1).

1260650431 is an equidigital number, since it uses as much as digits as its factorization.

1260650431 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 4320, while the sum is 28.

The square root of 1260650431 is about 35505.6394253082. The cubic root of 1260650431 is about 1080.2681178744.

The spelling of 1260650431 in words is "one billion, two hundred sixty million, six hundred fifty thousand, four hundred thirty-one".