1201206624 has 24 divisors (see below), whose sum is σ = 3153167640. Its totient is φ = 400402176.

The previous prime is 1201206623. The next prime is 1201206637. The reversal of 1201206624 is 4266021021.

It is a tau number, because it is divible by the number of its divisors (24).

It is a Harshad number since it is a multiple of its sum of digits (24).

It is a junction number, because it is equal to n+sod(n) for n = 1201206594 and 1201206603.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1201206623) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 6256189 + ... + 6256380.

It is an arithmetic number, because the mean of its divisors is an integer number (131381985).

Almost surely, 2^1201206624 is an apocalyptic number.

It is an amenable number.

1201206624 is an abundant number, since it is smaller than the sum of its proper divisors (1951961016).

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

1201206624 is a wasteful number, since it uses less digits than its factorization.

1201206624 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 12512582 (or 12512574 counting only the distinct ones).

The product of its (nonzero) digits is 1152, while the sum is 24.

The square root of 1201206624 is about 34658.4278927940. The cubic root of 1201206624 is about 1063.0146246838.

Adding to 1201206624 its reverse (4266021021), we get a palindrome (5467227645).

The spelling of 1201206624 in words is "one billion, two hundred one million, two hundred six thousand, six hundred twenty-four".