1201215030 has 32 divisors (see below), whose sum is σ = 2892776544. Its totient is φ = 319228416.

The previous prime is 1201215013. The next prime is 1201215031. The reversal of 1201215030 is 305121021.

It is a Harshad number since it is a multiple of its sum of digits (15).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1201215031) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 59539 + ... + 77118.

It is an arithmetic number, because the mean of its divisors is an integer number (90399267).

Almost surely, 2^1201215030 is an apocalyptic number.

1201215030 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

1201215030 is an abundant number, since it is smaller than the sum of its proper divisors (1691561514).

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

1201215030 is a wasteful number, since it uses less digits than its factorization.

1201215030 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 136960.

The product of its (nonzero) digits is 60, while the sum is 15.

The square root of 1201215030 is about 34658.5491617869. The cubic root of 1201215030 is about 1063.0171043238.

Adding to 1201215030 its reverse (305121021), we get a palindrome (1506336051).

The spelling of 1201215030 in words is "one billion, two hundred one million, two hundred fifteen thousand, thirty".