1121123001950 has 48 divisors (see below), whose sum is σ = 2393685972864. Its totient is φ = 382691676000.

The previous prime is 1121123001949. The next prime is 1121123002009. The reversal of 1121123001950 is 591003211211.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 6976076 + ... + 7134975.

It is an arithmetic number, because the mean of its divisors is an integer number (49868457768).

Almost surely, 2^{1121123001950} is an apocalyptic number.

1121123001950 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

1121123001950 is an abundant number, since it is smaller than the sum of its proper divisors (1272562970914).

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

1121123001950 is a wasteful number, since it uses less digits than its factorization.

1121123001950 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 14111297 (or 14111292 counting only the distinct ones).

The product of its (nonzero) digits is 540, while the sum is 26.

The spelling of 1121123001950 in words is "one trillion, one hundred twenty-one billion, one hundred twenty-three million, one thousand, nine hundred fifty".