126312610 has 8 divisors (see below), whose sum is σ = 227362716. Its totient is φ = 50525040.

The previous prime is 126312607. The next prime is 126312647. The reversal of 126312610 is 16213621.

It can be written as a sum of positive squares in 2 ways, for example, as 118744609 + 7568001 = 10897^2 + 2751^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 6315621 + ... + 6315640.

Almost surely, 2^126312610 is an apocalyptic number.

126312610 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

126312610 is a deficient number, since it is larger than the sum of its proper divisors (101050106).

126312610 is a wasteful number, since it uses less digits than its factorization.

126312610 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 12631268.

The product of its (nonzero) digits is 432, while the sum is 22.

The square root of 126312610 is about 11238.8882902180. Note that the first 3 decimals coincide. The cubic root of 126312610 is about 501.7440561298.

The spelling of 126312610 in words is "one hundred twenty-six million, three hundred twelve thousand, six hundred ten".