1421133025 has 24 divisors (see below), whose sum is σ = 1997649920. Its totient is φ = 994213440.

The previous prime is 1421133013. The next prime is 1421133061. The reversal of 1421133025 is 5203311241.

It is a happy number.

It is a de Polignac number, because none of the positive numbers 2^k-1421133025 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 1421132987 and 1421133005.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 108897 + ... + 121246.

Almost surely, 2^1421133025 is an apocalyptic number.

It is an amenable number.

1421133025 is a deficient number, since it is larger than the sum of its proper divisors (576516895).

1421133025 is a wasteful number, since it uses less digits than its factorization.

1421133025 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 230185 (or 230180 counting only the distinct ones).

The product of its (nonzero) digits is 720, while the sum is 22.

The square root of 1421133025 is about 37697.9180459611. The cubic root of 1421133025 is about 1124.2897310899.

Adding to 1421133025 its reverse (5203311241), we get a palindrome (6624444266).

The spelling of 1421133025 in words is "one billion, four hundred twenty-one million, one hundred thirty-three thousand, twenty-five".