1230997960 has 32 divisors (see below), whose sum is σ = 2775108600. Its totient is φ = 491445760.

The previous prime is 1230997939. The next prime is 1230997967. The reversal of 1230997960 is 697990321.

It can be written as a sum of positive squares in 4 ways, for example, as 1008570564 + 222427396 = 31758^2 + 14914^2 .

It is a self number, because there is not a number n which added to its sum of digits gives 1230997960.

It is not an unprimeable number, because it can be changed into a prime (1230997967) 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, 8695 + ... + 50374.

Almost surely, 2^1230997960 is an apocalyptic number.

1230997960 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

1230997960 is an abundant number, since it is smaller than the sum of its proper divisors (1544110640).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

1230997960 is a wasteful number, since it uses less digits than its factorization.

1230997960 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 59601 (or 59597 counting only the distinct ones).

The product of its (nonzero) digits is 183708, while the sum is 46.

The square root of 1230997960 is about 35085.5805139376. The cubic root of 1230997960 is about 1071.7309625037.

The spelling of 1230997960 in words is "one billion, two hundred thirty million, nine hundred ninety-seven thousand, nine hundred sixty".