126103221454 has 16 divisors (see below), whose sum is σ = 217146359808. Its totient is φ = 53801885592.

The previous prime is 126103221449. The next prime is 126103221493. The reversal of 126103221454 is 454122301621.

It is a super-2 number, since 2×126103221454² (a number of 23 digits) contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 20192782 + ... + 20199025.

It is an arithmetic number, because the mean of its divisors is an integer number (13571647488).

Almost surely, 2^126103221454 is an apocalyptic number.

126103221454 is a gapful number since it is divisible by the number (14) formed by its first and last digit.

126103221454 is a deficient number, since it is larger than the sum of its proper divisors (91043138354).

126103221454 is a wasteful number, since it uses less digits than its factorization.

126103221454 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 40392039.

The product of its (nonzero) digits is 11520, while the sum is 31.

The spelling of 126103221454 in words is "one hundred twenty-six billion, one hundred three million, two hundred twenty-one thousand, four hundred fifty-four".