1020122994 has 16 divisors (see below), whose sum is σ = 2225723040. Its totient is φ = 309128160.

The previous prime is 1020122993. The next prime is 1020123001. The reversal of 1020122994 is 4992210201.

It is a happy number.

It is not an unprimeable number, because it can be changed into a prime (1020122993) by changing a digit.

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 7 ways as a sum of consecutive naturals, for example, 7728139 + ... + 7728270.

It is an arithmetic number, because the mean of its divisors is an integer number (139107690).

Almost surely, 2^1020122994 is an apocalyptic number.

1020122994 is an abundant number, since it is smaller than the sum of its proper divisors (1205600046).

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

1020122994 is a wasteful number, since it uses less digits than its factorization.

1020122994 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 15456425.

The product of its (nonzero) digits is 2592, while the sum is 30.

The square root of 1020122994 is about 31939.3643330609. The cubic root of 1020122994 is about 1006.6631682456.

The spelling of 1020122994 in words is "one billion, twenty million, one hundred twenty-two thousand, nine hundred ninety-four".