1260924139 has 2 divisors, whose sum is σ = 1260924140. Its totient is φ = 1260924138.

The previous prime is 1260924083. The next prime is 1260924169. The reversal of 1260924139 is 9314290621.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 1260924139 - 2¹⁹ = 1260399851 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 1260924098 and 1260924107.

It is not a weakly prime, because it can be changed into another prime (1260924169) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 630462069 + 630462070.

It is an arithmetic number, because the mean of its divisors is an integer number (630462070).

Almost surely, 2^1260924139 is an apocalyptic number.

1260924139 is a deficient number, since it is larger than the sum of its proper divisors (1).

1260924139 is an equidigital number, since it uses as much as digits as its factorization.

1260924139 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 23328, while the sum is 37.

The square root of 1260924139 is about 35509.4936460660. The cubic root of 1260924139 is about 1080.3462935586.

The spelling of 1260924139 in words is "one billion, two hundred sixty million, nine hundred twenty-four thousand, one hundred thirty-nine".