126421310 has 8 divisors (see below), whose sum is σ = 227558376. Its totient is φ = 50568520.

The previous prime is 126421303. The next prime is 126421313. The reversal of 126421310 is 13124621.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a super-2 number, since 2×126421310² = 31964695244232200, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (126421313) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 6321056 + ... + 6321075.

It is an arithmetic number, because the mean of its divisors is an integer number (28444797).

Almost surely, 2^126421310 is an apocalyptic number.

126421310 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

126421310 is a deficient number, since it is larger than the sum of its proper divisors (101137066).

126421310 is a wasteful number, since it uses less digits than its factorization.

126421310 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 12642138.

The product of its (nonzero) digits is 288, while the sum is 20.

The square root of 126421310 is about 11243.7231378223. The cubic root of 126421310 is about 501.8879423749.

Adding to 126421310 its reverse (13124621), we get a palindrome (139545931).

The spelling of 126421310 in words is "one hundred twenty-six million, four hundred twenty-one thousand, three hundred ten".