126670493 has 4 divisors (see below), whose sum is σ = 126719040. Its totient is φ = 126621948.

The previous prime is 126670487. The next prime is 126670507. The reversal of 126670493 is 394076621.

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 not a de Polignac number, because 126670493 - 2⁶ = 126670429 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (126670483) 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, 20123 + ... + 25656.

It is an arithmetic number, because the mean of its divisors is an integer number (31679760).

Almost surely, 2^126670493 is an apocalyptic number.

It is an amenable number.

126670493 is a deficient number, since it is larger than the sum of its proper divisors (48547).

126670493 is an equidigital number, since it uses as much as digits as its factorization.

126670493 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 48546.

The product of its (nonzero) digits is 54432, while the sum is 38.

The square root of 126670493 is about 11254.7986654582. The cubic root of 126670493 is about 502.2174750703.

The spelling of 126670493 in words is "one hundred twenty-six million, six hundred seventy thousand, four hundred ninety-three".