1243098976452 has 24 divisors (see below), whose sum is σ = 2903686548000. Its totient is φ = 413920286976.

The previous prime is 1243098976439. The next prime is 1243098976481. The reversal of 1243098976452 is 2546798903421.

It is a happy number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 55743202 + ... + 55765497.

It is an arithmetic number, because the mean of its divisors is an integer number (120986939500).

It is a 1-persistent number, because it is pandigital, but 2⋅1243098976452 = 2486197952904 is not.

Almost surely, 2^{1243098976452} is an apocalyptic number.

1243098976452 is a gapful number since it is divisible by the number (12) formed by its first and last digit.

It is an amenable number.

1243098976452 is an abundant number, since it is smaller than the sum of its proper divisors (1660587571548).

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

1243098976452 is a wasteful number, since it uses less digits than its factorization.

1243098976452 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 111509635 (or 111509633 counting only the distinct ones).

The product of its (nonzero) digits is 26127360, while the sum is 60.

The spelling of 1243098976452 in words is "one trillion, two hundred forty-three billion, ninety-eight million, nine hundred seventy-six thousand, four hundred fifty-two".