1401115225 has 12 divisors (see below), whose sum is σ = 1777788496. Its totient is φ = 1094824080.

The previous prime is 1401115217. The next prime is 1401115241. The reversal of 1401115225 is 5225111041.

It is not a de Polignac number, because 1401115225 - 2³ = 1401115217 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 1401115196 and 1401115205.

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, 650607 + ... + 652756.

Almost surely, 2^1401115225 is an apocalyptic number.

It is an amenable number.

1401115225 is a deficient number, since it is larger than the sum of its proper divisors (376673271).

1401115225 is a wasteful number, since it uses less digits than its factorization.

1401115225 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1303416 (or 1303411 counting only the distinct ones).

The product of its (nonzero) digits is 400, while the sum is 22.

The square root of 1401115225 is about 37431.4737219896. The cubic root of 1401115225 is about 1118.9859084504.

Adding to 1401115225 its reverse (5225111041), we get a palindrome (6626226266).

The spelling of 1401115225 in words is "one billion, four hundred one million, one hundred fifteen thousand, two hundred twenty-five".