1201523272 has 16 divisors (see below), whose sum is σ = 2280000240. Its totient is φ = 593523216.

The previous prime is 1201523231. The next prime is 1201523293. The reversal of 1201523272 is 2723251021.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 904098 + ... + 905425.

It is an arithmetic number, because the mean of its divisors is an integer number (142500015).

Almost surely, 2^1201523272 is an apocalyptic number.

It is an amenable number.

1201523272 is a deficient number, since it is larger than the sum of its proper divisors (1078476968).

1201523272 is a wasteful number, since it uses less digits than its factorization.

1201523272 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1809612 (or 1809608 counting only the distinct ones).

The product of its (nonzero) digits is 1680, while the sum is 25.

The square root of 1201523272 is about 34662.9957158928. The cubic root of 1201523272 is about 1063.1080229595.

Adding to 1201523272 its reverse (2723251021), we get a palindrome (3924774293).

The spelling of 1201523272 in words is "one billion, two hundred one million, five hundred twenty-three thousand, two hundred seventy-two".