1011123401 has 8 divisors (see below), whose sum is σ = 1055511744. Its totient is φ = 966770640.

The previous prime is 1011123389. The next prime is 1011123403. The reversal of 1011123401 is 1043211101.

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

It is a cyclic number.

It is not a de Polignac number, because 1011123401 - 2¹⁰ = 1011122377 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (1011123403) 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, 60935 + ... + 75731.

It is an arithmetic number, because the mean of its divisors is an integer number (131938968).

Almost surely, 2^1011123401 is an apocalyptic number.

It is an amenable number.

1011123401 is a deficient number, since it is larger than the sum of its proper divisors (44388343).

1011123401 is a wasteful number, since it uses less digits than its factorization.

1011123401 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 17791.

The product of its (nonzero) digits is 24, while the sum is 14.

The square root of 1011123401 is about 31798.1666295401. The cubic root of 1011123401 is about 1003.6941368818.

Adding to 1011123401 its reverse (1043211101), we get a palindrome (2054334502).

The spelling of 1011123401 in words is "one billion, eleven million, one hundred twenty-three thousand, four hundred one".