1121260442025 has 48 divisors (see below), whose sum is σ = 1954712390400. Its totient is φ = 565566039360.

The previous prime is 1121260442009. The next prime is 1121260442033. The reversal of 1121260442025 is 5202440621211.

It is not a de Polignac number, because 1121260442025 - 2⁴ = 1121260442009 is a prime.

It is a super-2 number, since 2×1121260442025² (a number of 25 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 1121260441983 and 1121260442001.

It is an unprimeable number.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 166246 + ... + 1506704.

It is an arithmetic number, because the mean of its divisors is an integer number (40723174800).

Almost surely, 2^{1121260442025} is an apocalyptic number.

1121260442025 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

It is an amenable number.

1121260442025 is a deficient number, since it is larger than the sum of its proper divisors (833451948375).

1121260442025 is a wasteful number, since it uses less digits than its factorization.

1121260442025 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1341078 (or 1341073 counting only the distinct ones).

The product of its (nonzero) digits is 7680, while the sum is 30.

The spelling of 1121260442025 in words is "one trillion, one hundred twenty-one billion, two hundred sixty million, four hundred forty-two thousand, twenty-five".