1020123346 has 16 divisors (see below), whose sum is σ = 1672278048. Its totient is φ = 462863200.

The previous prime is 1020123329. The next prime is 1020123361. The reversal of 1020123346 is 6433210201.

It is a Harshad number since it is a multiple of its sum of digits (22).

It is an unprimeable number.

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, 28795 + ... + 53566.

It is an arithmetic number, because the mean of its divisors is an integer number (104517378).

Almost surely, 2^1020123346 is an apocalyptic number.

1020123346 is a deficient number, since it is larger than the sum of its proper divisors (652154702).

1020123346 is a wasteful number, since it uses less digits than its factorization.

1020123346 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 82937.

The product of its (nonzero) digits is 864, while the sum is 22.

The square root of 1020123346 is about 31939.3698435019. The cubic root of 1020123346 is about 1006.6632840308.

Adding to 1020123346 its reverse (6433210201), we get a palindrome (7453333547).

The spelling of 1020123346 in words is "one billion, twenty million, one hundred twenty-three thousand, three hundred forty-six".