1121012425 has 24 divisors (see below), whose sum is σ = 1504903680. Its totient is φ = 823444800.

The previous prime is 1121012423. The next prime is 1121012461. The reversal of 1121012425 is 5242101211.

It is not a de Polignac number, because 1121012425 - 2¹ = 1121012423 is a prime.

It is not an unprimeable number, because it can be changed into a prime (1121012423) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 53046 + ... + 71104.

It is an arithmetic number, because the mean of its divisors is an integer number (62704320).

Almost surely, 2^1121012425 is an apocalyptic number.

It is an amenable number.

1121012425 is a deficient number, since it is larger than the sum of its proper divisors (383891255).

1121012425 is a wasteful number, since it uses less digits than its factorization.

1121012425 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 18273 (or 18268 counting only the distinct ones).

The product of its (nonzero) digits is 160, while the sum is 19.

The square root of 1121012425 is about 33481.5236361788. The cubic root of 1121012425 is about 1038.8116434422.

Adding to 1121012425 its reverse (5242101211), we get a palindrome (6363113636).

The spelling of 1121012425 in words is "one billion, one hundred twenty-one million, twelve thousand, four hundred twenty-five".