1201203252 has 72 divisors (see below), whose sum is σ = 3201149952. Its totient is φ = 379224000.

The previous prime is 1201203251. The next prime is 1201203253. The reversal of 1201203252 is 2523021021.

It is an interprime number because it is at equal distance from previous prime (1201203251) and next prime (1201203253).

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

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1201203251) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 41002 + ... + 63902.

It is an arithmetic number, because the mean of its divisors is an integer number (44460416).

Almost surely, 2^1201203252 is an apocalyptic number.

1201203252 is a gapful number since it is divisible by the number (12) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 1201203252, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1600574976).

1201203252 is an abundant number, since it is smaller than the sum of its proper divisors (1999946700).

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

1201203252 is a wasteful number, since it uses less digits than its factorization.

1201203252 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 22989 (or 22984 counting only the distinct ones).

The product of its (nonzero) digits is 240, while the sum is 18.

The square root of 1201203252 is about 34658.3792465834. The cubic root of 1201203252 is about 1063.0136299927.

Adding to 1201203252 its reverse (2523021021), we get a palindrome (3724224273).

The spelling of 1201203252 in words is "one billion, two hundred one million, two hundred three thousand, two hundred fifty-two".