126190745 has 16 divisors (see below), whose sum is σ = 165868560. Its totient is φ = 91736064.

The previous prime is 126190741. The next prime is 126190751. The reversal of 126190745 is 547091621.

It can be written as a sum of positive squares in 8 ways, for example, as 6310144 + 119880601 = 2512^2 + 10949^2 .

It is a cyclic number.

It is not a de Polignac number, because 126190745 - 2² = 126190741 is a prime.

It is not an unprimeable number, because it can be changed into a prime (126190741) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 23132 + ... + 28061.

It is an arithmetic number, because the mean of its divisors is an integer number (10366785).

Almost surely, 2^126190745 is an apocalyptic number.

It is an amenable number.

126190745 is a deficient number, since it is larger than the sum of its proper divisors (39677815).

126190745 is a wasteful number, since it uses less digits than its factorization.

126190745 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 51244.

The product of its (nonzero) digits is 15120, while the sum is 35.

The square root of 126190745 is about 11233.4654047627. The cubic root of 126190745 is about 501.5826451829.

The spelling of 126190745 in words is "one hundred twenty-six million, one hundred ninety thousand, seven hundred forty-five".