1601120250 has 64 divisors (see below), whose sum is σ = 4440458880. Its totient is φ = 426963600.

The previous prime is 1601120243. The next prime is 1601120251. The reversal of 1601120250 is 520211061.

1601120250 is a `hidden beast` number, since 1 + 601 + 12 + 0 + 2 + 50 = 666.

It is a Harshad number since it is a multiple of its sum of digits (18).

It is not an unprimeable number, because it can be changed into a prime (1601120251) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 111852 + ... + 125351.

It is an arithmetic number, because the mean of its divisors is an integer number (69382170).

Almost surely, 2^1601120250 is an apocalyptic number.

1601120250 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

1601120250 is an abundant number, since it is smaller than the sum of its proper divisors (2839338630).

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

1601120250 is a wasteful number, since it uses less digits than its factorization.

1601120250 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 237229 (or 237213 counting only the distinct ones).

The product of its (nonzero) digits is 120, while the sum is 18.

The square root of 1601120250 is about 40014.0006747638. Note that the first 3 decimals coincide. The cubic root of 1601120250 is about 1169.8800008421.

The spelling of 1601120250 in words is "one billion, six hundred one million, one hundred twenty thousand, two hundred fifty".