1294262051 has 2 divisors, whose sum is σ = 1294262052. Its totient is φ = 1294262050.

The previous prime is 1294262029. The next prime is 1294262069. The reversal of 1294262051 is 1502624921.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 1294262051 - 2⁶ = 1294261987 is a prime.

It is a super-2 number, since 2×1294262051² = 3350228513317453202, which contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 1294261999 and 1294262017.

It is not a weakly prime, because it can be changed into another prime (1294262951) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 647131025 + 647131026.

It is an arithmetic number, because the mean of its divisors is an integer number (647131026).

Almost surely, 2^1294262051 is an apocalyptic number.

1294262051 is a deficient number, since it is larger than the sum of its proper divisors (1).

1294262051 is an equidigital number, since it uses as much as digits as its factorization.

1294262051 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 8640, while the sum is 32.

The square root of 1294262051 is about 35975.8537216283. The cubic root of 1294262051 is about 1089.7847822989.

Adding to 1294262051 its reverse (1502624921), we get a palindrome (2796886972).

The spelling of 1294262051 in words is "one billion, two hundred ninety-four million, two hundred sixty-two thousand, fifty-one".