126084739 has 4 divisors (see below), whose sum is σ = 137547000. Its totient is φ = 114622480.

The previous prime is 126084737. The next prime is 126084757. The reversal of 126084739 is 937480621.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 126084739 - 2¹ = 126084737 is a prime.

It is a super-2 number, since 2×126084739² = 31794722817396242, which contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (126084737) 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, 5731114 + ... + 5731135.

It is an arithmetic number, because the mean of its divisors is an integer number (34386750).

Almost surely, 2^126084739 is an apocalyptic number.

126084739 is a deficient number, since it is larger than the sum of its proper divisors (11462261).

126084739 is a wasteful number, since it uses less digits than its factorization.

126084739 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 11462260.

The product of its (nonzero) digits is 72576, while the sum is 40.

The square root of 126084739 is about 11228.7461009678. The cubic root of 126084739 is about 501.4421550451.

The spelling of 126084739 in words is "one hundred twenty-six million, eighty-four thousand, seven hundred thirty-nine".