1121400325 has 12 divisors (see below), whose sum is σ = 1472333220. Its totient is φ = 844348160.

The previous prime is 1121400317. The next prime is 1121400337. The reversal of 1121400325 is 5230041211.

It can be written as a sum of positive squares in 6 ways, for example, as 6441444 + 1114958881 = 2538^2 + 33391^2 .

It is not a de Polignac number, because 1121400325 - 2³ = 1121400317 is a prime.

It is a super-3 number, since 3×1121400325³ (a number of 28 digits) contains 333 as substring.

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, 1318870 + ... + 1319719.

It is an arithmetic number, because the mean of its divisors is an integer number (122694435).

Almost surely, 2^1121400325 is an apocalyptic number.

It is an amenable number.

1121400325 is a deficient number, since it is larger than the sum of its proper divisors (350932895).

1121400325 is a wasteful number, since it uses less digits than its factorization.

1121400325 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2638616 (or 2638611 counting only the distinct ones).

The product of its (nonzero) digits is 240, while the sum is 19.

The square root of 1121400325 is about 33487.3158822859. The cubic root of 1121400325 is about 1038.9314484086.

Adding to 1121400325 its reverse (5230041211), we get a palindrome (6351441536).

The spelling of 1121400325 in words is "one billion, one hundred twenty-one million, four hundred thousand, three hundred twenty-five".