126937469 has 4 divisors (see below), whose sum is σ = 127212096. Its totient is φ = 126662844.

The previous prime is 126937457. The next prime is 126937493. The reversal of 126937469 is 964739621.

It is a happy number.

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 a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-126937469 is a prime.

It is a super-2 number, since 2×126937469² = 32226242072251922, which contains 22 as substring.

It is a Duffinian number.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (126937409) 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, 136619 + ... + 137544.

It is an arithmetic number, because the mean of its divisors is an integer number (31803024).

Almost surely, 2^126937469 is an apocalyptic number.

It is an amenable number.

126937469 is a deficient number, since it is larger than the sum of its proper divisors (274627).

126937469 is an equidigital number, since it uses as much as digits as its factorization.

126937469 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 274626.

The product of its digits is 489888, while the sum is 47.

The square root of 126937469 is about 11266.6529635025. The cubic root of 126937469 is about 502.5700589595.

The spelling of 126937469 in words is "one hundred twenty-six million, nine hundred thirty-seven thousand, four hundred sixty-nine".