126401274 has 12 divisors (see below), whose sum is σ = 273869466. Its totient is φ = 42133752.

The previous prime is 126401263. The next prime is 126401279. The reversal of 126401274 is 472104621.

126401274 is a `hidden beast` number, since 1 + 2 + 640 + 12 + 7 + 4 = 666.

It can be written as a sum of positive squares in only one way, i.e., 115412049 + 10989225 = 10743^2 + 3315^2 .

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (126401279) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 3511129 + ... + 3511164.

Almost surely, 2^126401274 is an apocalyptic number.

126401274 is an abundant number, since it is smaller than the sum of its proper divisors (147468192).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

126401274 is a wasteful number, since it uses less digits than its factorization.

126401274 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7022301 (or 7022298 counting only the distinct ones).

The product of its (nonzero) digits is 2688, while the sum is 27.

The square root of 126401274 is about 11242.8321165087. The cubic root of 126401274 is about 501.8614269135.

Adding to 126401274 its reverse (472104621), we get a palindrome (598505895).

The spelling of 126401274 in words is "one hundred twenty-six million, four hundred one thousand, two hundred seventy-four".