1202664090 has 64 divisors (see below), whose sum is σ = 3060685440. Its totient is φ = 301593600.

The previous prime is 1202664077. The next prime is 1202664131. The reversal of 1202664090 is 904662021.

It is a Harshad number since it is a multiple of its sum of digits (30).

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 70390 + ... + 85790.

It is an arithmetic number, because the mean of its divisors is an integer number (47823210).

Almost surely, 2^1202664090 is an apocalyptic number.

1202664090 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is a practical number, because each smaller number is the sum of distinct divisors of 1202664090, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1530342720).

1202664090 is an abundant number, since it is smaller than the sum of its proper divisors (1858021350).

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

1202664090 is a wasteful number, since it uses less digits than its factorization.

1202664090 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 15567.

The product of its (nonzero) digits is 5184, while the sum is 30.

The square root of 1202664090 is about 34679.4476599614. The cubic root of 1202664090 is about 1063.4443818558. Note that the first 3 decimals are identical.

The spelling of 1202664090 in words is "one billion, two hundred two million, six hundred sixty-four thousand, ninety".