1230021502 has 8 divisors (see below), whose sum is σ = 1953563616. Its totient is φ = 578833632.

The previous prime is 1230021497. The next prime is 1230021511. The reversal of 1230021502 is 2051200321.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 18088518 + ... + 18088585.

It is an arithmetic number, because the mean of its divisors is an integer number (244195452).

Almost surely, 2^1230021502 is an apocalyptic number.

1230021502 is a deficient number, since it is larger than the sum of its proper divisors (723542114).

1230021502 is a wasteful number, since it uses less digits than its factorization.

1230021502 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 36177122.

The product of its (nonzero) digits is 120, while the sum is 16.

The square root of 1230021502 is about 35071.6623786213. The cubic root of 1230021502 is about 1071.4475130501.

Adding to 1230021502 its reverse (2051200321), we get a palindrome (3281221823).

The spelling of 1230021502 in words is "one billion, two hundred thirty million, twenty-one thousand, five hundred two".