1201972224 has 88 divisors (see below), whose sum is σ = 3372473440. Its totient is φ = 379551744.

The previous prime is 1201972201. The next prime is 1201972273. The reversal of 1201972224 is 4222791021.

It is a junction number, because it is equal to n+sod(n) for n = 1201972191 and 1201972200.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 48072 + ... + 68664.

Almost surely, 2^1201972224 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 1201972224, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1686236720).

1201972224 is an abundant number, since it is smaller than the sum of its proper divisors (2170501216).

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

1201972224 is a wasteful number, since it uses less digits than its factorization.

1201972224 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 20635 (or 20617 counting only the distinct ones).

The product of its (nonzero) digits is 4032, while the sum is 30.

The square root of 1201972224 is about 34669.4710660546. The cubic root of 1201972224 is about 1063.2404174097.

The spelling of 1201972224 in words is "one billion, two hundred one million, nine hundred seventy-two thousand, two hundred twenty-four".