126606461 has 4 divisors (see below), whose sum is σ = 126628992. Its totient is φ = 126583932.

The previous prime is 126606439. The next prime is 126606479. The reversal of 126606461 is 164606621.

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 a brilliant number, because the two primes have the same length, and also an emirpimes, since its reverse is a distinct semiprime: 164606621 = 31 ⋅5309891.

It is a cyclic number.

It is not a de Polignac number, because 126606461 - 2⁶ = 126606397 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 (126606761) 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, 4820 + ... + 16626.

It is an arithmetic number, because the mean of its divisors is an integer number (31657248).

Almost surely, 2^126606461 is an apocalyptic number.

It is an amenable number.

126606461 is a deficient number, since it is larger than the sum of its proper divisors (22531).

126606461 is a wasteful number, since it uses less digits than its factorization.

126606461 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 22530.

The product of its (nonzero) digits is 10368, while the sum is 32.

The square root of 126606461 is about 11251.9536525885. The cubic root of 126606461 is about 502.1328370757.

The spelling of 126606461 in words is "one hundred twenty-six million, six hundred six thousand, four hundred sixty-one".