1201449452 has 24 divisors (see below), whose sum is σ = 2404075296. Its totient is φ = 514654848.

The previous prime is 1201449443. The next prime is 1201449461. The reversal of 1201449452 is 2549441021.

It is an interprime number because it is at equal distance from previous prime (1201449443) and next prime (1201449461).

It is a super-2 number, since 2×1201449452² = 2886961571422200608, which contains 22 as substring.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 54848 + ... + 73560.

It is an arithmetic number, because the mean of its divisors is an integer number (100169804).

Almost surely, 2^1201449452 is an apocalyptic number.

It is an amenable number.

1201449452 is an abundant number, since it is smaller than the sum of its proper divisors (1202625844).

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

1201449452 is a wasteful number, since it uses less digits than its factorization.

1201449452 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 21017 (or 21015 counting only the distinct ones).

The product of its (nonzero) digits is 11520, while the sum is 32.

The square root of 1201449452 is about 34661.9308752412. The cubic root of 1201449452 is about 1063.0862505301.

The spelling of 1201449452 in words is "one billion, two hundred one million, four hundred forty-nine thousand, four hundred fifty-two".