1020123411 has 8 divisors (see below), whose sum is σ = 1396925904. Its totient is φ = 661701600.

The previous prime is 1020123409. The next prime is 1020123413. The reversal of 1020123411 is 1143210201.

It is an interprime number because it is at equal distance from previous prime (1020123409) and next prime (1020123413).

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

It is not a de Polignac number, because 1020123411 - 2¹ = 1020123409 is a prime.

It is not an unprimeable number, because it can be changed into a prime (1020123413) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 4595040 + ... + 4595261.

It is an arithmetic number, because the mean of its divisors is an integer number (174615738).

Almost surely, 2^1020123411 is an apocalyptic number.

1020123411 is a deficient number, since it is larger than the sum of its proper divisors (376802493).

1020123411 is an equidigital number, since it uses as much as digits as its factorization.

1020123411 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 9190341.

The product of its (nonzero) digits is 48, while the sum is 15.

The square root of 1020123411 is about 31939.3708610549. The cubic root of 1020123411 is about 1006.6633054115.

Adding to 1020123411 its reverse (1143210201), we get a palindrome (2163333612).

The spelling of 1020123411 in words is "one billion, twenty million, one hundred twenty-three thousand, four hundred eleven".