1201023452 has 24 divisors (see below), whose sum is σ = 2173610880. Its totient is φ = 580063680.

The previous prime is 1201023443. The next prime is 1201023457. The reversal of 1201023452 is 2543201021.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1201023457) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 60374 + ... + 77762.

It is an arithmetic number, because the mean of its divisors is an integer number (90567120).

Almost surely, 2^1201023452 is an apocalyptic number.

It is an amenable number.

1201023452 is a deficient number, since it is larger than the sum of its proper divisors (972587428).

1201023452 is a wasteful number, since it uses less digits than its factorization.

1201023452 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 17981 (or 17979 counting only the distinct ones).

The product of its (nonzero) digits is 480, while the sum is 20.

The square root of 1201023452 is about 34655.7852601842. The cubic root of 1201023452 is about 1062.9605889031.

Adding to 1201023452 its reverse (2543201021), we get a palindrome (3744224473).

The spelling of 1201023452 in words is "one billion, two hundred one million, twenty-three thousand, four hundred fifty-two".