126620610 has 16 divisors (see below), whose sum is σ = 303889536. Its totient is φ = 33765488.

The previous prime is 126620581. The next prime is 126620621. The reversal of 126620610 is 16026621.

It is a Curzon number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 2110314 + ... + 2110373.

It is an arithmetic number, because the mean of its divisors is an integer number (18993096).

Almost surely, 2^126620610 is an apocalyptic number.

126620610 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

126620610 is an abundant number, since it is smaller than the sum of its proper divisors (177268926).

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

126620610 is a wasteful number, since it uses less digits than its factorization.

126620610 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4220697.

The product of its (nonzero) digits is 864, while the sum is 24.

The square root of 126620610 is about 11252.5823702828. The cubic root of 126620610 is about 502.1515417895.

The spelling of 126620610 in words is "one hundred twenty-six million, six hundred twenty thousand, six hundred ten".