1023120494 has 8 divisors (see below), whose sum is σ = 1674197208. Its totient is φ = 465054760.

The previous prime is 1023120479. The next prime is 1023120517. The reversal of 1023120494 is 4940213201.

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 pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 23252717 + ... + 23252760.

It is an arithmetic number, because the mean of its divisors is an integer number (209274651).

Almost surely, 2^1023120494 is an apocalyptic number.

1023120494 is a deficient number, since it is larger than the sum of its proper divisors (651076714).

1023120494 is a wasteful number, since it uses less digits than its factorization.

1023120494 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 46505490.

The product of its (nonzero) digits is 1728, while the sum is 26.

The square root of 1023120494 is about 31986.2547666963. The cubic root of 1023120494 is about 1007.6481874360.

Adding to 1023120494 its reverse (4940213201), we get a palindrome (5963333695).

The spelling of 1023120494 in words is "one billion, twenty-three million, one hundred twenty thousand, four hundred ninety-four".