126461312 has 16 divisors (see below), whose sum is σ = 251934900. Its totient is φ = 63230592.

The previous prime is 126461311. The next prime is 126461327. The reversal of 126461312 is 213164621.

It is a tau number, because it is divible by the number of its divisors (16).

It is a super-2 number, since 2×126461312² = 31984926865522688, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (126461311) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 493862 + ... + 494117.

Almost surely, 2^126461312 is an apocalyptic number.

It is an amenable number.

126461312 is a deficient number, since it is larger than the sum of its proper divisors (125473588).

126461312 is an frugal number, since it uses more digits than its factorization.

126461312 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 987993 (or 987981 counting only the distinct ones).

The product of its digits is 1728, while the sum is 26.

The square root of 126461312 is about 11245.5018562979. The cubic root of 126461312 is about 501.9408722813.

The spelling of 126461312 in words is "one hundred twenty-six million, four hundred sixty-one thousand, three hundred twelve".