1290152630 has 96 divisors (see below), whose sum is σ = 2714451264. Its totient is φ = 438504192.

The previous prime is 1290152599. The next prime is 1290152641. The reversal of 1290152630 is 362510921.

It is a junction number, because it is equal to n+sod(n) for n = 1290152593 and 1290152602.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 1736039 + ... + 1736781.

It is an arithmetic number, because the mean of its divisors is an integer number (28275534).

Almost surely, 2^1290152630 is an apocalyptic number.

1290152630 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

1290152630 is an abundant number, since it is smaller than the sum of its proper divisors (1424298634).

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

1290152630 is a wasteful number, since it uses less digits than its factorization.

1290152630 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 838 (or 819 counting only the distinct ones).

The product of its (nonzero) digits is 3240, while the sum is 29.

The square root of 1290152630 is about 35918.6947145912. The cubic root of 1290152630 is about 1088.6301648527.

The spelling of 1290152630 in words is "one billion, two hundred ninety million, one hundred fifty-two thousand, six hundred thirty".