1022401015 has 8 divisors (see below), whose sum is σ = 1242411840. Its totient is φ = 807567072.

The previous prime is 1022401013. The next prime is 1022401019. The reversal of 1022401015 is 5101042201.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 1022401015 - 2¹ = 1022401013 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 1022401015.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1022401013) 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, 1293784 + ... + 1294573.

It is an arithmetic number, because the mean of its divisors is an integer number (155301480).

Almost surely, 2^1022401015 is an apocalyptic number.

1022401015 is a deficient number, since it is larger than the sum of its proper divisors (220010825).

1022401015 is an equidigital number, since it uses as much as digits as its factorization.

1022401015 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2588441.

The product of its (nonzero) digits is 80, while the sum is 16.

The square root of 1022401015 is about 31975.0060985139. The cubic root of 1022401015 is about 1007.4119325271.

Adding to 1022401015 its reverse (5101042201), we get a palindrome (6123443216).

The spelling of 1022401015 in words is "one billion, twenty-two million, four hundred one thousand, fifteen".