126250545 has 16 divisors (see below), whose sum is σ = 202721472. Its totient is φ = 67093440.

The previous prime is 126250511. The next prime is 126250547. The reversal of 126250545 is 545052621.

It is not a de Polignac number, because 126250545 - 2¹⁰ = 126249521 is a prime.

It is a super-2 number, since 2×126250545² = 31878400225594050, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (126250547) 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, 10626 + ... + 19115.

It is an arithmetic number, because the mean of its divisors is an integer number (12670092).

Almost surely, 2^126250545 is an apocalyptic number.

126250545 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

It is an amenable number.

126250545 is a deficient number, since it is larger than the sum of its proper divisors (76470927).

126250545 is a wasteful number, since it uses less digits than its factorization.

126250545 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 30032.

The product of its (nonzero) digits is 12000, while the sum is 30.

The square root of 126250545 is about 11236.1267792776. The cubic root of 126250545 is about 501.6618636322.

The spelling of 126250545 in words is "one hundred twenty-six million, two hundred fifty thousand, five hundred forty-five".