1248242951 has 2 divisors, whose sum is σ = 1248242952. Its totient is φ = 1248242950.

The previous prime is 1248242927. The next prime is 1248243013. The reversal of 1248242951 is 1592428421.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 1248242951 - 2⁶ = 1248242887 is a prime.

It is a super-2 number, since 2×1248242951² = 3116220929442376802, which contains 22 as substring.

It is a Sophie Germain prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (1248242251) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 624121475 + 624121476.

It is an arithmetic number, because the mean of its divisors is an integer number (624121476).

Almost surely, 2^1248242951 is an apocalyptic number.

1248242951 is a deficient number, since it is larger than the sum of its proper divisors (1).

1248242951 is an equidigital number, since it uses as much as digits as its factorization.

1248242951 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 46080, while the sum is 38.

The square root of 1248242951 is about 35330.4818959493. The cubic root of 1248242951 is about 1076.7123820344.

The spelling of 1248242951 in words is "one billion, two hundred forty-eight million, two hundred forty-two thousand, nine hundred fifty-one".