1425156101 has 4 divisors (see below), whose sum is σ = 1438992672. Its totient is φ = 1411319532.

The previous prime is 1425156097. The next prime is 1425156127. The reversal of 1425156101 is 1016515241.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 1425156101 - 2² = 1425156097 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1425152101) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 6918131 + ... + 6918336.

It is an arithmetic number, because the mean of its divisors is an integer number (359748168).

Almost surely, 2^1425156101 is an apocalyptic number.

It is an amenable number.

1425156101 is a deficient number, since it is larger than the sum of its proper divisors (13836571).

1425156101 is a wasteful number, since it uses less digits than its factorization.

1425156101 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 13836570.

The product of its (nonzero) digits is 1200, while the sum is 26.

The square root of 1425156101 is about 37751.2397279877. The cubic root of 1425156101 is about 1125.3496463157.

The spelling of 1425156101 in words is "one billion, four hundred twenty-five million, one hundred fifty-six thousand, one hundred one".