1121737843039 has 16 divisors (see below), whose sum is σ = 1247002542720. Its totient is φ = 1000360726560.

The previous prime is 1121737842989. The next prime is 1121737843043. The reversal of 1121737843039 is 9303487371211.

It is a happy number.

It is a cyclic number.

It is not a de Polignac number, because 1121737843039 - 2²¹ = 1121735745887 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 1121737842983 and 1121737843001.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1121737843139) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 3568144 + ... + 3869770.

It is an arithmetic number, because the mean of its divisors is an integer number (77937658920).

Almost surely, 2^{1121737843039} is an apocalyptic number.

1121737843039 is a deficient number, since it is larger than the sum of its proper divisors (125264699681).

1121737843039 is a wasteful number, since it uses less digits than its factorization.

1121737843039 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 308070.

The product of its (nonzero) digits is 762048, while the sum is 49.

The spelling of 1121737843039 in words is "one trillion, one hundred twenty-one billion, seven hundred thirty-seven million, eight hundred forty-three thousand, thirty-nine".