1530120450 has 48 divisors (see below), whose sum is σ = 3799756800. Its totient is φ = 407488320.

The previous prime is 1530120439. The next prime is 1530120463. The reversal of 1530120450 is 540210351.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 113151 + ... + 125949.

It is an arithmetic number, because the mean of its divisors is an integer number (79161600).

Almost surely, 2^1530120450 is an apocalyptic number.

1530120450 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

1530120450 is an abundant number, since it is smaller than the sum of its proper divisors (2269636350).

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

1530120450 is a wasteful number, since it uses less digits than its factorization.

1530120450 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 13611 (or 13606 counting only the distinct ones).

The product of its (nonzero) digits is 600, while the sum is 21.

The square root of 1530120450 is about 39116.7540831291. The cubic root of 1530120450 is about 1152.3255900564.

The spelling of 1530120450 in words is "one billion, five hundred thirty million, one hundred twenty thousand, four hundred fifty".