1200310397 has 32 divisors (see below), whose sum is σ = 1434101760. Its totient is φ = 990313920.

The previous prime is 1200310387. The next prime is 1200310399. The reversal of 1200310397 is 7930130021.

It is a cyclic number.

It is not a de Polignac number, because 1200310397 - 2⁶ = 1200310333 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1200310399) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 3343304 + ... + 3343662.

It is an arithmetic number, because the mean of its divisors is an integer number (44815680).

Almost surely, 2^1200310397 is an apocalyptic number.

It is an amenable number.

1200310397 is a deficient number, since it is larger than the sum of its proper divisors (233791363).

1200310397 is a wasteful number, since it uses less digits than its factorization.

1200310397 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 713.

The product of its (nonzero) digits is 1134, while the sum is 26.

The square root of 1200310397 is about 34645.4960564862. The cubic root of 1200310397 is about 1062.7501851816.

The spelling of 1200310397 in words is "one billion, two hundred million, three hundred ten thousand, three hundred ninety-seven".