126502541 has 16 divisors (see below), whose sum is σ = 140894208. Its totient is φ = 112618800.

The previous prime is 126502489. The next prime is 126502543. The reversal of 126502541 is 145205621.

It is a cyclic number.

It is not a de Polignac number, because 126502541 - 2⁶ = 126502477 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 126502541.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (126502543) 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, 115406 + ... + 116496.

It is an arithmetic number, because the mean of its divisors is an integer number (8805888).

Almost surely, 2^126502541 is an apocalyptic number.

126502541 is a gapful number since it is divisible by the number (11) formed by its first and last digit.

It is an amenable number.

126502541 is a deficient number, since it is larger than the sum of its proper divisors (14391667).

126502541 is a wasteful number, since it uses less digits than its factorization.

126502541 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1312.

The product of its (nonzero) digits is 2400, while the sum is 26.

The square root of 126502541 is about 11247.3348398632. The cubic root of 126502541 is about 501.9954140521.

The spelling of 126502541 in words is "one hundred twenty-six million, five hundred two thousand, five hundred forty-one".