126902541 has 4 divisors (see below), whose sum is σ = 169203392. Its totient is φ = 84601692.

The previous prime is 126902537. The next prime is 126902557. The reversal of 126902541 is 145209621.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4, and also an emirpimes, since its reverse is a distinct semiprime: 145209621 = 3 ⋅48403207.

It is not a de Polignac number, because 126902541 - 2² = 126902537 is a prime.

It is a super-2 number, since 2×126902541² = 32208509824513362, which contains 22 as substring.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 126902499 and 126902508.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (126902641) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 21150421 + ... + 21150426.

It is an arithmetic number, because the mean of its divisors is an integer number (42300848).

Almost surely, 2^126902541 is an apocalyptic number.

It is an amenable number.

126902541 is a deficient number, since it is larger than the sum of its proper divisors (42300851).

126902541 is an equidigital number, since it uses as much as digits as its factorization.

126902541 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 42300850.

The product of its (nonzero) digits is 4320, while the sum is 30.

The square root of 126902541 is about 11265.1027958026. The cubic root of 126902541 is about 502.5239591556.

The spelling of 126902541 in words is "one hundred twenty-six million, nine hundred two thousand, five hundred forty-one".