1022401143 has 16 divisors (see below), whose sum is σ = 1528568800. Its totient is φ = 675345600.

The previous prime is 1022401139. The next prime is 1022401187. The reversal of 1022401143 is 3411042201.

It is not a de Polignac number, because 1022401143 - 2² = 1022401139 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1022401123) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 170758 + ... + 176643.

It is an arithmetic number, because the mean of its divisors is an integer number (95535550).

Almost surely, 2^1022401143 is an apocalyptic number.

1022401143 is a deficient number, since it is larger than the sum of its proper divisors (506167657).

1022401143 is a wasteful number, since it uses less digits than its factorization.

1022401143 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 347519 (or 347513 counting only the distinct ones).

The product of its (nonzero) digits is 192, while the sum is 18.

The square root of 1022401143 is about 31975.0081000772. The cubic root of 1022401143 is about 1007.4119745682.

Adding to 1022401143 its reverse (3411042201), we get a palindrome (4433443344).

The spelling of 1022401143 in words is "one billion, twenty-two million, four hundred one thousand, one hundred forty-three".