1235478113420 has 24 divisors (see below), whose sum is σ = 2619693402144. Its totient is φ = 489393271296.

The previous prime is 1235478113393. The next prime is 1235478113489. The reversal of 1235478113420 is 243118745321.

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, 299871269 + ... + 299875388.

It is an arithmetic number, because the mean of its divisors is an integer number (109153891756).

Almost surely, 2^{1235478113420} is an apocalyptic number.

1235478113420 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

1235478113420 is an abundant number, since it is smaller than the sum of its proper divisors (1384215288724).

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

1235478113420 is a wasteful number, since it uses less digits than its factorization.

1235478113420 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 599746769 (or 599746767 counting only the distinct ones).

The product of its (nonzero) digits is 161280, while the sum is 41.

The spelling of 1235478113420 in words is "one trillion, two hundred thirty-five billion, four hundred seventy-eight million, one hundred thirteen thousand, four hundred twenty".