126421024 has 12 divisors (see below), whose sum is σ = 248891454. Its totient is φ = 63210496.

The previous prime is 126421019. The next prime is 126421037. The reversal of 126421024 is 420124621.

It is a happy number.

It can be written as a sum of positive squares in only one way, i.e., 122500624 + 3920400 = 11068^2 + 1980^2 .

It is a junction number, because it is equal to n+sod(n) for n = 126420986 and 126421004.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1975297 + ... + 1975360.

Almost surely, 2^126421024 is an apocalyptic number.

It is an amenable number.

126421024 is a deficient number, since it is larger than the sum of its proper divisors (122470430).

126421024 is an equidigital number, since it uses as much as digits as its factorization.

126421024 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3950667 (or 3950659 counting only the distinct ones).

The product of its (nonzero) digits is 768, while the sum is 22.

The square root of 126421024 is about 11243.7104196079. The cubic root of 126421024 is about 501.8875639047.

Adding to 126421024 its reverse (420124621), we get a palindrome (546545645).

The spelling of 126421024 in words is "one hundred twenty-six million, four hundred twenty-one thousand, twenty-four".