126644650 has 60 divisors (see below), whose sum is σ = 260611110. Its totient is φ = 45786400.

The previous prime is 126644627. The next prime is 126644657. The reversal of 126644650 is 56446621.

It can be written as a sum of positive squares in 3 ways, for example, as 115971361 + 10673289 = 10769^2 + 3267^2 .

It is a nialpdrome in base 11.

It is not an unprimeable number, because it can be changed into a prime (126644657) by changing a digit.

It is a polite number, since it can be written in 29 ways as a sum of consecutive naturals, for example, 731964 + ... + 732136.

Almost surely, 2^126644650 is an apocalyptic number.

126644650 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

126644650 is an abundant number, since it is smaller than the sum of its proper divisors (133966460).

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

126644650 is an equidigital number, since it uses as much as digits as its factorization.

126644650 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 229 (or 191 counting only the distinct ones).

The product of its (nonzero) digits is 34560, while the sum is 34.

The square root of 126644650 is about 11253.6505188317. The cubic root of 126644650 is about 502.1833190259.

The spelling of 126644650 in words is "one hundred twenty-six million, six hundred forty-four thousand, six hundred fifty".