1285375007 has 16 divisors (see below), whose sum is σ = 1513574400. Its totient is φ = 1091023416.

The previous prime is 1285374997. The next prime is 1285375031. The reversal of 1285375007 is 7005735821.

It is a happy number.

It is not a de Polignac number, because 1285375007 - 2¹⁶ = 1285309471 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1285375037) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 17138 + ... + 53520.

It is an arithmetic number, because the mean of its divisors is an integer number (94598400).

Almost surely, 2^1285375007 is an apocalyptic number.

1285375007 is a deficient number, since it is larger than the sum of its proper divisors (228199393).

1285375007 is an equidigital number, since it uses as much as digits as its factorization.

1285375007 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 36507 (or 36493 counting only the distinct ones).

The product of its (nonzero) digits is 58800, while the sum is 38.

The square root of 1285375007 is about 35852.1269522465. The cubic root of 1285375007 is about 1087.2847173623.

The spelling of 1285375007 in words is "one billion, two hundred eighty-five million, three hundred seventy-five thousand, seven".