1202003120 has 20 divisors (see below), whose sum is σ = 2794657440. Its totient is φ = 480801216.

The previous prime is 1202003119. The next prime is 1202003141. The reversal of 1202003120 is 213002021.

It is a happy number.

It is a tau number, because it is divible by the number of its divisors (20).

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 7512440 + ... + 7512599.

It is an arithmetic number, because the mean of its divisors is an integer number (139732872).

Almost surely, 2^1202003120 is an apocalyptic number.

1202003120 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

1202003120 is an abundant number, since it is smaller than the sum of its proper divisors (1592654320).

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

1202003120 is a wasteful number, since it uses less digits than its factorization.

1202003120 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 15025052 (or 15025046 counting only the distinct ones).

The product of its (nonzero) digits is 24, while the sum is 11.

The square root of 1202003120 is about 34669.9166425303. The cubic root of 1202003120 is about 1063.2495273248.

Adding to 1202003120 its reverse (213002021), we get a palindrome (1415005141).

The spelling of 1202003120 in words is "one billion, two hundred two million, three thousand, one hundred twenty".