1230015045 has 64 divisors (see below), whose sum is σ = 2363203584. Its totient is φ = 534124800.

The previous prime is 1230015037. The next prime is 1230015079. The reversal of 1230015045 is 5405100321.

It is not a de Polignac number, because 1230015045 - 2³ = 1230015037 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (21).

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 362979 + ... + 366351.

It is an arithmetic number, because the mean of its divisors is an integer number (36925056).

Almost surely, 2^1230015045 is an apocalyptic number.

1230015045 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

It is an amenable number.

1230015045 is a deficient number, since it is larger than the sum of its proper divisors (1133188539).

1230015045 is a wasteful number, since it uses less digits than its factorization.

1230015045 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3562.

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

The square root of 1230015045 is about 35071.5703241244. The cubic root of 1230015045 is about 1071.4456381916.

Adding to 1230015045 its reverse (5405100321), we get a palindrome (6635115366).

The spelling of 1230015045 in words is "one billion, two hundred thirty million, fifteen thousand, forty-five".