126125733 has 4 divisors (see below), whose sum is σ = 168167648. Its totient is φ = 84083820.

The previous prime is 126125729. The next prime is 126125759. The reversal of 126125733 is 337521621.

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.

It is not a de Polignac number, because 126125733 - 2² = 126125729 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 126125733.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (126125723) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 21020953 + ... + 21020958.

It is an arithmetic number, because the mean of its divisors is an integer number (42041912).

Almost surely, 2^126125733 is an apocalyptic number.

It is an amenable number.

126125733 is a deficient number, since it is larger than the sum of its proper divisors (42041915).

126125733 is an equidigital number, since it uses as much as digits as its factorization.

126125733 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 42041914.

The product of its digits is 7560, while the sum is 30.

The square root of 126125733 is about 11230.5713567921. The cubic root of 126125733 is about 501.4964938770.

The spelling of 126125733 in words is "one hundred twenty-six million, one hundred twenty-five thousand, seven hundred thirty-three".