1401152225 has 24 divisors (see below), whose sum is σ = 1902681792. Its totient is φ = 1015092800.

The previous prime is 1401152219. The next prime is 1401152231. The reversal of 1401152225 is 5222511041.

It is an interprime number because it is at equal distance from previous prime (1401152219) and next prime (1401152231).

It is not a de Polignac number, because 1401152225 - 2⁶ = 1401152161 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 1401152225.

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, 62639 + ... + 82011.

It is an arithmetic number, because the mean of its divisors is an integer number (79278408).

Almost surely, 2^1401152225 is an apocalyptic number.

It is an amenable number.

1401152225 is a deficient number, since it is larger than the sum of its proper divisors (501529567).

1401152225 is a wasteful number, since it uses less digits than its factorization.

1401152225 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 19657 (or 19652 counting only the distinct ones).

The product of its (nonzero) digits is 800, while the sum is 23.

The square root of 1401152225 is about 37431.9679552118. The cubic root of 1401152225 is about 1118.9957582504.

Adding to 1401152225 its reverse (5222511041), we get a palindrome (6623663266).

The spelling of 1401152225 in words is "one billion, four hundred one million, one hundred fifty-two thousand, two hundred twenty-five".