1201523072 has 32 divisors (see below), whose sum is σ = 2398054680. Its totient is φ = 599658496.

The previous prime is 1201523053. The next prime is 1201523077. The reversal of 1201523072 is 2703251021.

It is a happy number.

It is a tau number, because it is divible by the number of its divisors (32).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1201523077) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 63728 + ... + 80400.

Almost surely, 2^1201523072 is an apocalyptic number.

It is an amenable number.

1201523072 is a deficient number, since it is larger than the sum of its proper divisors (1196531608).

1201523072 is an equidigital number, since it uses as much as digits as its factorization.

1201523072 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 17250 (or 17238 counting only the distinct ones).

The product of its (nonzero) digits is 840, while the sum is 23.

The square root of 1201523072 is about 34662.9928309718. The cubic root of 1201523072 is about 1063.1079639728.

Adding to 1201523072 its reverse (2703251021), we get a palindrome (3904774093).

The spelling of 1201523072 in words is "one billion, two hundred one million, five hundred twenty-three thousand, seventy-two".