1242245503400 has 48 divisors (see below), whose sum is σ = 3150786327840. Its totient is φ = 451725636800.

The previous prime is 1242245503397. The next prime is 1242245503417. The reversal of 1242245503400 is 43055422421.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 282326324 + ... + 282330723.

It is an arithmetic number, because the mean of its divisors is an integer number (65641381830).

Almost surely, 2^{1242245503400} is an apocalyptic number.

1242245503400 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

1242245503400 is an abundant number, since it is smaller than the sum of its proper divisors (1908540824440).

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

1242245503400 is a wasteful number, since it uses less digits than its factorization.

1242245503400 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 564657074 (or 564657065 counting only the distinct ones).

The product of its (nonzero) digits is 38400, while the sum is 32.

The spelling of 1242245503400 in words is "one trillion, two hundred forty-two billion, two hundred forty-five million, five hundred three thousand, four hundred".