1250428007 has 2 divisors, whose sum is σ = 1250428008. Its totient is φ = 1250428006.

The previous prime is 1250427991. The next prime is 1250428021. The reversal of 1250428007 is 7008240521.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 1250428007 - 2⁴ = 1250427991 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (1250428027) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 625214003 + 625214004.

It is an arithmetic number, because the mean of its divisors is an integer number (625214004).

Almost surely, 2^1250428007 is an apocalyptic number.

1250428007 is a deficient number, since it is larger than the sum of its proper divisors (1).

1250428007 is an equidigital number, since it uses as much as digits as its factorization.

1250428007 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 4480, while the sum is 29.

The square root of 1250428007 is about 35361.3914743184. The cubic root of 1250428007 is about 1077.3402794030.

Adding to 1250428007 its reverse (7008240521), we get a palindrome (8258668528).

The spelling of 1250428007 in words is "one billion, two hundred fifty million, four hundred twenty-eight thousand, seven".