1266952031 has 2 divisors, whose sum is σ = 1266952032. Its totient is φ = 1266952030.

The previous prime is 1266952003. The next prime is 1266952067. The reversal of 1266952031 is 1302596621.

It is a weak prime.

It is an emirp because it is prime and its reverse (1302596621) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 1266952031 - 2⁶ = 1266951967 is a prime.

It is a super-2 number, since 2×1266952031² = 3210334897710049922, which contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 1266951982 and 1266952000.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (1266952331) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 633476015 + 633476016.

It is an arithmetic number, because the mean of its divisors is an integer number (633476016).

Almost surely, 2^1266952031 is an apocalyptic number.

1266952031 is a deficient number, since it is larger than the sum of its proper divisors (1).

1266952031 is an equidigital number, since it uses as much as digits as its factorization.

1266952031 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 19440, while the sum is 35.

The square root of 1266952031 is about 35594.2696371200. The cubic root of 1266952031 is about 1082.0651019490.

The spelling of 1266952031 in words is "one billion, two hundred sixty-six million, nine hundred fifty-two thousand, thirty-one".