1121265426140 has 24 divisors (see below), whose sum is σ = 2367811913040. Its totient is φ = 446000547968.

The previous prime is 1121265426139. The next prime is 1121265426173. The reversal of 1121265426140 is 416245621211.

It is a self number, because there is not a number n which added to its sum of digits gives 1121265426140.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 156597737 + ... + 156604896.

It is an arithmetic number, because the mean of its divisors is an integer number (98658829710).

Almost surely, 2^{1121265426140} is an apocalyptic number.

1121265426140 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

1121265426140 is an abundant number, since it is smaller than the sum of its proper divisors (1246546486900).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

1121265426140 is a wasteful number, since it uses less digits than its factorization.

1121265426140 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 313202821 (or 313202819 counting only the distinct ones).

The product of its (nonzero) digits is 23040, while the sum is 35.

The spelling of 1121265426140 in words is "one trillion, one hundred twenty-one billion, two hundred sixty-five million, four hundred twenty-six thousand, one hundred forty".