1020122479 has 2 divisors, whose sum is σ = 1020122480. Its totient is φ = 1020122478.

The previous prime is 1020122461. The next prime is 1020122507. The reversal of 1020122479 is 9742210201.

It is an a-pointer prime, because the next prime (1020122507) can be obtained adding 1020122479 to its sum of digits (28).

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 1020122479 - 2⁵ = 1020122447 is a prime.

It is a super-2 number, since 2×1020122479² = 2081299744322210882, which contains 22 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (1020122419) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 510061239 + 510061240.

It is an arithmetic number, because the mean of its divisors is an integer number (510061240).

Almost surely, 2^1020122479 is an apocalyptic number.

1020122479 is a deficient number, since it is larger than the sum of its proper divisors (1).

1020122479 is an equidigital number, since it uses as much as digits as its factorization.

1020122479 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 2016, while the sum is 28.

The square root of 1020122479 is about 31939.3562709082. The cubic root of 1020122479 is about 1006.6629988439.

The spelling of 1020122479 in words is "one billion, twenty million, one hundred twenty-two thousand, four hundred seventy-nine".