1172290670 has 16 divisors (see below), whose sum is σ = 2110514400. Its totient is φ = 468829344.

The previous prime is 1172290667. The next prime is 1172290673. The reversal of 1172290670 is 760922711.

It is an interprime number because it is at equal distance from previous prime (1172290667) and next prime (1172290673).

It is a Curzon number.

It is a self number, because there is not a number n which added to its sum of digits gives 1172290670.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1172290673) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 93599 + ... + 105381.

It is an arithmetic number, because the mean of its divisors is an integer number (131907150).

Almost surely, 2^1172290670 is an apocalyptic number.

1172290670 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

1172290670 is a deficient number, since it is larger than the sum of its proper divisors (938223730).

1172290670 is a wasteful number, since it uses less digits than its factorization.

1172290670 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 21739.

The product of its (nonzero) digits is 10584, while the sum is 35.

The square root of 1172290670 is about 34238.7305547387. The cubic root of 1172290670 is about 1054.4154709915.

The spelling of 1172290670 in words is "one billion, one hundred seventy-two million, two hundred ninety thousand, six hundred seventy".