1530021070 has 16 divisors (see below), whose sum is σ = 2775725568. Its totient is φ = 607188960.

The previous prime is 1530021043. The next prime is 1530021079. The reversal of 1530021070 is 701200351.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1530021079) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 601101 + ... + 603640.

It is an arithmetic number, because the mean of its divisors is an integer number (173482848).

Almost surely, 2^1530021070 is an apocalyptic number.

1530021070 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

1530021070 is a deficient number, since it is larger than the sum of its proper divisors (1245704498).

1530021070 is a wasteful number, since it uses less digits than its factorization.

1530021070 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1204875.

The product of its (nonzero) digits is 210, while the sum is 19.

The square root of 1530021070 is about 39115.4837628272. The cubic root of 1530021070 is about 1152.3006419995.

The spelling of 1530021070 in words is "one billion, five hundred thirty million, twenty-one thousand, seventy".