126451439500 has 48 divisors (see below), whose sum is σ = 279953174592. Its totient is φ = 49887676800.

The previous prime is 126451439497. The next prime is 126451439503. The reversal of 126451439500 is 5934154621.

It is an interprime number because it is at equal distance from previous prime (126451439497) and next prime (126451439503).

It is not an unprimeable number, because it can be changed into a prime (126451439503) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 1695712 + ... + 1768711.

It is an arithmetic number, because the mean of its divisors is an integer number (5832357804).

Almost surely, 2^126451439500 is an apocalyptic number.

126451439500 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

126451439500 is an abundant number, since it is smaller than the sum of its proper divisors (153501735092).

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

126451439500 is a wasteful number, since it uses less digits than its factorization.

126451439500 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3464515 (or 3464503 counting only the distinct ones).

The product of its (nonzero) digits is 129600, while the sum is 40.

The spelling of 126451439500 in words is "one hundred twenty-six billion, four hundred fifty-one million, four hundred thirty-nine thousand, five hundred".