1242514051 has 2 divisors, whose sum is σ = 1242514052. Its totient is φ = 1242514050.

The previous prime is 1242513997. The next prime is 1242514081. The reversal of 1242514051 is 1504152421.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 1242514051 - 2¹⁵ = 1242481283 is a prime.

It is not a weakly prime, because it can be changed into another prime (1242514081) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 621257025 + 621257026.

It is an arithmetic number, because the mean of its divisors is an integer number (621257026).

Almost surely, 2^1242514051 is an apocalyptic number.

1242514051 is a deficient number, since it is larger than the sum of its proper divisors (1).

1242514051 is an equidigital number, since it uses as much as digits as its factorization.

1242514051 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 1600, while the sum is 25.

The square root of 1242514051 is about 35249.3127734428. The cubic root of 1242514051 is about 1075.0626395084.

Adding to 1242514051 its reverse (1504152421), we get a palindrome (2746666472).

The spelling of 1242514051 in words is "one billion, two hundred forty-two million, five hundred fourteen thousand, fifty-one".