1020234515 has 8 divisors (see below), whose sum is σ = 1296298080. Its totient is φ = 768176512.

The previous prime is 1020234511. The next prime is 1020234539. The reversal of 1020234515 is 5154320201.

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

It is a cyclic number.

It is not a de Polignac number, because 1020234515 - 2² = 1020234511 is a prime.

It is not an unprimeable number, because it can be changed into a prime (1020234511) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 6001295 + ... + 6001464.

It is an arithmetic number, because the mean of its divisors is an integer number (162037260).

Almost surely, 2^1020234515 is an apocalyptic number.

1020234515 is a deficient number, since it is larger than the sum of its proper divisors (276063565).

1020234515 is a wasteful number, since it uses less digits than its factorization.

1020234515 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 12002781.

The product of its (nonzero) digits is 1200, while the sum is 23.

The square root of 1020234515 is about 31941.1101090742. The cubic root of 1020234515 is about 1006.6998500944.

Adding to 1020234515 its reverse (5154320201), we get a palindrome (6174554716).

The spelling of 1020234515 in words is "one billion, twenty million, two hundred thirty-four thousand, five hundred fifteen".