1420251542125 has 32 divisors (see below), whose sum is σ = 1970392919040. Its totient is φ = 1014968808000.

The previous prime is 1420251542123. The next prime is 1420251542131. The reversal of 1420251542125 is 5212451520241.

It is not a de Polignac number, because 1420251542125 - 2¹ = 1420251542123 is a prime.

It is a super-2 number, since 2×1420251542125² (a number of 25 digits) contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1420251542123) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 14046415 + ... + 14147164.

It is an arithmetic number, because the mean of its divisors is an integer number (61574778720).

Almost surely, 2^{1420251542125} is an apocalyptic number.

It is an amenable number.

1420251542125 is a deficient number, since it is larger than the sum of its proper divisors (550141376915).

1420251542125 is a wasteful number, since it uses less digits than its factorization.

1420251542125 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 28193638 (or 28193628 counting only the distinct ones).

The product of its (nonzero) digits is 32000, while the sum is 34.

The spelling of 1420251542125 in words is "one trillion, four hundred twenty billion, two hundred fifty-one million, five hundred forty-two thousand, one hundred twenty-five".