1022429987 has 2 divisors, whose sum is σ = 1022429988. Its totient is φ = 1022429986.

The previous prime is 1022429981. The next prime is 1022429999. The reversal of 1022429987 is 7899242201.

1022429987 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 1022429987 - 2¹⁰ = 1022428963 is a prime.

It is not a weakly prime, because it can be changed into another prime (1022429981) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 511214993 + 511214994.

It is an arithmetic number, because the mean of its divisors is an integer number (511214994).

Almost surely, 2^1022429987 is an apocalyptic number.

1022429987 is a deficient number, since it is larger than the sum of its proper divisors (1).

1022429987 is an equidigital number, since it uses as much as digits as its factorization.

1022429987 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 145152, while the sum is 44.

The square root of 1022429987 is about 31975.4591366567. The cubic root of 1022429987 is about 1007.4214481876.

The spelling of 1022429987 in words is "one billion, twenty-two million, four hundred twenty-nine thousand, nine hundred eighty-seven".