1201918374 has 24 divisors (see below), whose sum is σ = 2628498600. Its totient is φ = 396894528.

The previous prime is 1201918363. The next prime is 1201918387. The reversal of 1201918374 is 4738191021.

It is a happy number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 310099 + ... + 313950.

It is an arithmetic number, because the mean of its divisors is an integer number (109520775).

Almost surely, 2^1201918374 is an apocalyptic number.

1201918374 is an abundant number, since it is smaller than the sum of its proper divisors (1426580226).

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

1201918374 is a wasteful number, since it uses less digits than its factorization.

1201918374 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 624164 (or 624161 counting only the distinct ones).

The product of its (nonzero) digits is 12096, while the sum is 36.

The square root of 1201918374 is about 34668.6944374893. The cubic root of 1201918374 is about 1063.2245389642.

The spelling of 1201918374 in words is "one billion, two hundred one million, nine hundred eighteen thousand, three hundred seventy-four".