126661260 has 48 divisors (see below), whose sum is σ = 386894592. Its totient is φ = 30705600.

The previous prime is 126661247. The next prime is 126661267. The reversal of 126661260 is 62166621.

It is a Harshad number since it is a multiple of its sum of digits (30).

It is not an unprimeable number, because it can be changed into a prime (126661267) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 95296 + ... + 96615.

It is an arithmetic number, because the mean of its divisors is an integer number (8060304).

Almost surely, 2^126661260 is an apocalyptic number.

126661260 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

126661260 is an abundant number, since it is smaller than the sum of its proper divisors (260233332).

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

126661260 is a wasteful number, since it uses less digits than its factorization.

126661260 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 191934 (or 191932 counting only the distinct ones).

The product of its (nonzero) digits is 5184, while the sum is 30.

The square root of 126661260 is about 11254.3884773896. The cubic root of 126661260 is about 502.2052725794.

It can be divided in two parts, 1266 and 61260, that added together give a palindrome (62526).

The spelling of 126661260 in words is "one hundred twenty-six million, six hundred sixty-one thousand, two hundred sixty".