1243130401400 has 96 divisors (see below), whose sum is σ = 2897267732640. Its totient is φ = 496051100160.

The previous prime is 1243130401367. The next prime is 1243130401411. The reversal of 1243130401400 is 41040313421.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 177662702 + ... + 177669698.

It is an arithmetic number, because the mean of its divisors is an integer number (30179872215).

Almost surely, 2^{1243130401400} is an apocalyptic number.

1243130401400 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

1243130401400 is an abundant number, since it is smaller than the sum of its proper divisors (1654137331240).

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

1243130401400 is a wasteful number, since it uses less digits than its factorization.

1243130401400 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 9033 (or 9024 counting only the distinct ones).

The product of its (nonzero) digits is 1152, while the sum is 23.

Adding to 1243130401400 its reverse (41040313421), we get a palindrome (1284170714821).

The spelling of 1243130401400 in words is "one trillion, two hundred forty-three billion, one hundred thirty million, four hundred one thousand, four hundred".