126545740 has 12 divisors (see below), whose sum is σ = 265746096. Its totient is φ = 50618288.

The previous prime is 126545729. The next prime is 126545759. The reversal of 126545740 is 47545621.

It is a junction number, because it is equal to n+sod(n) for n = 126545696 and 126545705.

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, 3163624 + ... + 3163663.

It is an arithmetic number, because the mean of its divisors is an integer number (22145508).

Almost surely, 2^126545740 is an apocalyptic number.

126545740 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

126545740 is an abundant number, since it is smaller than the sum of its proper divisors (139200356).

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

126545740 is a wasteful number, since it uses less digits than its factorization.

126545740 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6327296 (or 6327294 counting only the distinct ones).

The product of its (nonzero) digits is 33600, while the sum is 34.

The square root of 126545740 is about 11249.2550864491. The cubic root of 126545740 is about 502.0525492203.

The spelling of 126545740 in words is "one hundred twenty-six million, five hundred forty-five thousand, seven hundred forty".