1425671100 has 216 divisors, whose sum is σ = 5329658880. Its totient is φ = 311667840.

The previous prime is 1425671057. The next prime is 1425671111. The reversal of 1425671100 is 11765241.

It is a happy number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 71 ways as a sum of consecutive naturals, for example, 139981 + ... + 149819.

Almost surely, 2^1425671100 is an apocalyptic number.

1425671100 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 1425671100, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (2664829440).

1425671100 is an abundant number, since it is smaller than the sum of its proper divisors (3903987780).

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

1425671100 is a wasteful number, since it uses less digits than its factorization.

1425671100 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 9889 (or 9879 counting only the distinct ones).

The product of its (nonzero) digits is 1680, while the sum is 27.

The square root of 1425671100 is about 37758.0600666930. The cubic root of 1425671100 is about 1125.4851833155.

The spelling of 1425671100 in words is "one billion, four hundred twenty-five million, six hundred seventy-one thousand, one hundred".