1425420168 has 32 divisors (see below), whose sum is σ = 3579262560. Its totient is φ = 473045120.

The previous prime is 1425420149. The next prime is 1425420169. The reversal of 1425420168 is 8610245241.

It is a happy number.

1425420168 is digitally balanced in base 4, because in such base it contains all the possibile digits an equal number of times.

It is a super-2 number, since 2×1425420168² = 4063645310682296448, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (1425420169) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 125373 + ... + 136268.

It is an arithmetic number, because the mean of its divisors is an integer number (111851955).

Almost surely, 2^1425420168 is an apocalyptic number.

It is an amenable number.

1425420168 is an abundant number, since it is smaller than the sum of its proper divisors (2153842392).

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

1425420168 is a wasteful number, since it uses less digits than its factorization.

1425420168 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 261877 (or 261873 counting only the distinct ones).

The product of its (nonzero) digits is 15360, while the sum is 33.

The square root of 1425420168 is about 37754.7370272924. The cubic root of 1425420168 is about 1125.4191473228.

The spelling of 1425420168 in words is "one billion, four hundred twenty-five million, four hundred twenty thousand, one hundred sixty-eight".