1264648210 has 16 divisors (see below), whose sum is σ = 2601562176. Its totient is φ = 433593648.

The previous prime is 1264648199. The next prime is 1264648213. The reversal of 1264648210 is 128464621.

It is not an unprimeable number, because it can be changed into a prime (1264648213) 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, 9033132 + ... + 9033271.

It is an arithmetic number, because the mean of its divisors is an integer number (162597636).

Almost surely, 2^1264648210 is an apocalyptic number.

1264648210 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

1264648210 is an abundant number, since it is smaller than the sum of its proper divisors (1336913966).

1264648210 is a wasteful number, since it uses less digits than its factorization.

1264648210 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 18066417.

The product of its (nonzero) digits is 18432, while the sum is 34.

The square root of 1264648210 is about 35561.8926661672. The cubic root of 1264648210 is about 1081.4088295751.

It can be divided in two parts, 126 and 4648210, that added together give a square (4648336 = 2156²).

The spelling of 1264648210 in words is "one billion, two hundred sixty-four million, six hundred forty-eight thousand, two hundred ten".