1010802123 has 6 divisors (see below), whose sum is σ = 1460047524. Its totient is φ = 673868076.

The previous prime is 1010802113. The next prime is 1010802127. The reversal of 1010802123 is 3212080101.

It is not a de Polignac number, because 1010802123 - 2⁸ = 1010801867 is a prime.

It is a super-2 number, since 2×1010802123² = 2043441863722614258, which contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 1010802096 and 1010802105.

It is not an unprimeable number, because it can be changed into a prime (1010802127) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 56155665 + ... + 56155682.

It is an arithmetic number, because the mean of its divisors is an integer number (243341254).

Almost surely, 2^1010802123 is an apocalyptic number.

1010802123 is a deficient number, since it is larger than the sum of its proper divisors (449245401).

1010802123 is a wasteful number, since it uses less digits than its factorization.

1010802123 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 112311353 (or 112311350 counting only the distinct ones).

The product of its (nonzero) digits is 96, while the sum is 18.

The square root of 1010802123 is about 31793.1143960449. The cubic root of 1010802123 is about 1003.5878198209.

Adding to 1010802123 its reverse (3212080101), we get a palindrome (4222882224).

The spelling of 1010802123 in words is "one billion, ten million, eight hundred two thousand, one hundred twenty-three".