1020401113 has 8 divisors (see below), whose sum is σ = 1031032800. Its totient is φ = 1009789920.

The previous prime is 1020401101. The next prime is 1020401117. The reversal of 1020401113 is 3111040201.

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

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-1020401113 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 1020401093 and 1020401102.

It is not an unprimeable number, because it can be changed into a prime (1020401117) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 107698 + ... + 116788.

It is an arithmetic number, because the mean of its divisors is an integer number (128879100).

Almost surely, 2^1020401113 is an apocalyptic number.

It is an amenable number.

1020401113 is a deficient number, since it is larger than the sum of its proper divisors (10631687).

1020401113 is a wasteful number, since it uses less digits than its factorization.

1020401113 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 10247.

The product of its (nonzero) digits is 24, while the sum is 13.

The square root of 1020401113 is about 31943.7178956990. The cubic root of 1020401113 is about 1006.7546430697.

Adding to 1020401113 its reverse (3111040201), we get a palindrome (4131441314).

The spelling of 1020401113 in words is "one billion, twenty million, four hundred one thousand, one hundred thirteen".