1250070665 has 16 divisors (see below), whose sum is σ = 1560513600. Its totient is φ = 960157632.

The previous prime is 1250070643. The next prime is 1250070683. The reversal of 1250070665 is 5660700521.

It is a happy number.

It is a cyclic number.

It is not a de Polignac number, because 1250070665 - 2¹⁶ = 1250005129 is a prime.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 1874 + ... + 50036.

It is an arithmetic number, because the mean of its divisors is an integer number (97532100).

Almost surely, 2^1250070665 is an apocalyptic number.

It is an amenable number.

1250070665 is a deficient number, since it is larger than the sum of its proper divisors (310442935).

1250070665 is a wasteful number, since it uses less digits than its factorization.

1250070665 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 48376.

The product of its (nonzero) digits is 12600, while the sum is 32.

The square root of 1250070665 is about 35356.3383992178. The cubic root of 1250070665 is about 1077.2376437171.

The spelling of 1250070665 in words is "one billion, two hundred fifty million, seventy thousand, six hundred sixty-five".