1230151500 has 72 divisors (see below), whose sum is σ = 3880732128. Its totient is φ = 328039200.

The previous prime is 1230151487. The next prime is 1230151511. The reversal of 1230151500 is 51510321.

1230151500 is a `hidden beast` number, since 12 + 3 + 0 + 151 + 500 = 666.

It is a Harshad number since it is a multiple of its sum of digits (18).

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, 132184 + ... + 141183.

Almost surely, 2^1230151500 is an apocalyptic number.

1230151500 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

1230151500 is an abundant number, since it is smaller than the sum of its proper divisors (2650580628).

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

1230151500 is a wasteful number, since it uses less digits than its factorization.

1230151500 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 273392 (or 273377 counting only the distinct ones).

The product of its (nonzero) digits is 150, while the sum is 18.

The square root of 1230151500 is about 35073.5156492759. The cubic root of 1230151500 is about 1071.4852579532.

Adding to 1230151500 its reverse (51510321), we get a palindrome (1281661821).

The spelling of 1230151500 in words is "one billion, two hundred thirty million, one hundred fifty-one thousand, five hundred".