1490021200 has 60 divisors (see below), whose sum is σ = 3695283328. Its totient is φ = 576777600.

The previous prime is 1490021161. The next prime is 1490021207. The reversal of 1490021200 is 21200941.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1490021207) by changing a digit.

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 11 ways as a sum of consecutive naturals, for example, 47682 + ... + 72481.

Almost surely, 2^1490021200 is an apocalyptic number.

1490021200 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

1490021200 is an abundant number, since it is smaller than the sum of its proper divisors (2205262128).

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

1490021200 is a wasteful number, since it uses less digits than its factorization.

1490021200 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 120212 (or 120201 counting only the distinct ones).

The product of its (nonzero) digits is 144, while the sum is 19.

The square root of 1490021200 is about 38600.7927379737. The cubic root of 1490021200 is about 1142.1701761380.

It can be divided in two parts, 14900 and 21200, that added together give a square (36100 = 190²).

The spelling of 1490021200 in words is "one billion, four hundred ninety million, twenty-one thousand, two hundred".