1201122624 has 112 divisors (see below), whose sum is σ = 3623876928. Its totient is φ = 347824128.

The previous prime is 1201122613. The next prime is 1201122679. The reversal of 1201122624 is 4262211021.

It is a self number, because there is not a number n which added to its sum of digits gives 1201122624.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 28279 + ... + 56585.

It is an arithmetic number, because the mean of its divisors is an integer number (32356044).

Almost surely, 2^1201122624 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 1201122624, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1811938464).

1201122624 is an abundant number, since it is smaller than the sum of its proper divisors (2422754304).

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

1201122624 is a wasteful number, since it uses less digits than its factorization.

1201122624 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 28352 (or 28342 counting only the distinct ones).

The product of its (nonzero) digits is 384, while the sum is 21.

The square root of 1201122624 is about 34657.2160451471. The cubic root of 1201122624 is about 1062.9898453471.

Adding to 1201122624 its reverse (4262211021), we get a palindrome (5463333645).

The spelling of 1201122624 in words is "one billion, two hundred one million, one hundred twenty-two thousand, six hundred twenty-four".