1253422101400 has 48 divisors (see below), whose sum is σ = 3330521587440. Its totient is φ = 429744720000.

The previous prime is 1253422101391. The next prime is 1253422101409. The reversal of 1253422101400 is 41012243521.

It is an interprime number because it is at equal distance from previous prime (1253422101391) and next prime (1253422101409).

It is a Harshad number since it is a multiple of its sum of digits (25).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1253422101409) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 447649351 + ... + 447652150.

It is an arithmetic number, because the mean of its divisors is an integer number (69385866405).

Almost surely, 2^{1253422101400} is an apocalyptic number.

1253422101400 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

1253422101400 is an abundant number, since it is smaller than the sum of its proper divisors (2077099486040).

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

1253422101400 is a wasteful number, since it uses less digits than its factorization.

1253422101400 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 895301524 (or 895301515 counting only the distinct ones).

The product of its (nonzero) digits is 1920, while the sum is 25.

Adding to 1253422101400 its reverse (41012243521), we get a palindrome (1294434344921).

The spelling of 1253422101400 in words is "one trillion, two hundred fifty-three billion, four hundred twenty-two million, one hundred one thousand, four hundred".