1121423150120 has 128 divisors (see below), whose sum is σ = 3106251590400. Its totient is φ = 354823704576.

The previous prime is 1121423150117. The next prime is 1121423150147. The reversal of 1121423150120 is 210513241211.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 15466592 + ... + 15538928.

It is an arithmetic number, because the mean of its divisors is an integer number (24267590550).

Almost surely, 2^{1121423150120} is an apocalyptic number.

1121423150120 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 1121423150120, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1553125795200).

1121423150120 is an abundant number, since it is smaller than the sum of its proper divisors (1984828440280).

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

1121423150120 is a wasteful number, since it uses less digits than its factorization.

1121423150120 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 76627 (or 76623 counting only the distinct ones).

The product of its (nonzero) digits is 480, while the sum is 23.

Adding to 1121423150120 its reverse (210513241211), we get a palindrome (1331936391331).

The spelling of 1121423150120 in words is "one trillion, one hundred twenty-one billion, four hundred twenty-three million, one hundred fifty thousand, one hundred twenty".