1121362121125 has 8 divisors (see below), whose sum is σ = 1399459927320. Its totient is φ = 897089696800.

The previous prime is 1121362121107. The next prime is 1121362121129. The reversal of 1121362121125 is 5211212631211.

It can be written as a sum of positive squares in 4 ways, for example, as 67417603201 + 1053944517924 = 259649^2 + 1026618^2 .

It is not a de Polignac number, because 1121362121125 - 2²⁹ = 1120825250213 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 1121362121093 and 1121362121102.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1121362121129) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 4485448360 + ... + 4485448609.

It is an arithmetic number, because the mean of its divisors is an integer number (174932490915).

Almost surely, 2^{1121362121125} is an apocalyptic number.

It is an amenable number.

1121362121125 is a deficient number, since it is larger than the sum of its proper divisors (278097806195).

1121362121125 is an frugal number, since it uses more digits than its factorization.

1121362121125 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 8970896984 (or 8970896974 counting only the distinct ones).

The product of its digits is 1440, while the sum is 28.

Adding to 1121362121125 its reverse (5211212631211), we get a palindrome (6332574752336).

The spelling of 1121362121125 in words is "one trillion, one hundred twenty-one billion, three hundred sixty-two million, one hundred twenty-one thousand, one hundred twenty-five".