1425214100 has 36 divisors (see below), whose sum is σ = 3176309724. Its totient is φ = 554676480.

The previous prime is 1425214099. The next prime is 1425214117. The reversal of 1425214100 is 14125241.

It is a happy number.

It can be written as a sum of positive squares in 6 ways, for example, as 73034116 + 1352179984 = 8546^2 + 36772^2 .

It is a Harshad number since it is a multiple of its sum of digits (20).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 188897 + ... + 196296.

Almost surely, 2^1425214100 is an apocalyptic number.

1425214100 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

1425214100 is an abundant number, since it is smaller than the sum of its proper divisors (1751095624).

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

1425214100 is a wasteful number, since it uses less digits than its factorization.

1425214100 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 385244 (or 385237 counting only the distinct ones).

The product of its (nonzero) digits is 320, while the sum is 20.

The square root of 1425214100 is about 37752.0078936207. The cubic root of 1425214100 is about 1125.3649120747.

Adding to 1425214100 its reverse (14125241), we get a palindrome (1439339341).

The spelling of 1425214100 in words is "one billion, four hundred twenty-five million, two hundred fourteen thousand, one hundred".