126155461 has 16 divisors (see below), whose sum is σ = 133498368. Its totient is φ = 119059200.

The previous prime is 126155443. The next prime is 126155467. The reversal of 126155461 is 164551621.

It is a cyclic number.

It is not a de Polignac number, because 126155461 - 2¹³ = 126147269 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (31).

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (126155467) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 241881 + ... + 242401.

It is an arithmetic number, because the mean of its divisors is an integer number (8343648).

Almost surely, 2^126155461 is an apocalyptic number.

It is an amenable number.

126155461 is a deficient number, since it is larger than the sum of its proper divisors (7342907).

126155461 is a wasteful number, since it uses less digits than its factorization.

126155461 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 732.

The product of its digits is 7200, while the sum is 31.

The square root of 126155461 is about 11231.8948089804. The cubic root of 126155461 is about 501.5358919079.

The spelling of 126155461 in words is "one hundred twenty-six million, one hundred fifty-five thousand, four hundred sixty-one".