1490121360 has 900 divisors, whose sum is σ = 6842679228. Its totient is φ = 297851904.

The previous prime is 1490121293. The next prime is 1490121389. The reversal of 1490121360 is 631210941.

It can be written as a sum of positive squares in 2 ways, for example, as 366799104 + 1123322256 = 19152^2 + 33516^2 .

It is a Harshad number since it is a multiple of its sum of digits (27).

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 179 ways as a sum of consecutive naturals, for example, 78427431 + ... + 78427449.

Almost surely, 2^1490121360 is an apocalyptic number.

1490121360 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 1490121360, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (3421339614).

1490121360 is an abundant number, since it is smaller than the sum of its proper divisors (5352557868).

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

1490121360 is a wasteful number, since it uses less digits than its factorization.

1490121360 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 90 (or 49 counting only the distinct ones).

The product of its (nonzero) digits is 1296, while the sum is 27.

The square root of 1490121360 is about 38602.0900988535. The cubic root of 1490121360 is about 1142.1957679890.

The spelling of 1490121360 in words is "one billion, four hundred ninety million, one hundred twenty-one thousand, three hundred sixty".