1010123678 has 8 divisors (see below), whose sum is σ = 1529896368. Its totient is φ = 500158224.

The previous prime is 1010123677. The next prime is 1010123689. The reversal of 1010123678 is 8763210101.

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

It is an alternating number because its digits alternate between odd and even.

It is a self number, because there is not a number n which added to its sum of digits gives 1010123678.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1010123677) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 2451551 + ... + 2451962.

It is an arithmetic number, because the mean of its divisors is an integer number (191237046).

Almost surely, 2^1010123678 is an apocalyptic number.

1010123678 is a deficient number, since it is larger than the sum of its proper divisors (519772690).

1010123678 is a wasteful number, since it uses less digits than its factorization.

1010123678 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4903618.

The product of its (nonzero) digits is 2016, while the sum is 29.

The square root of 1010123678 is about 31782.4429205812. The cubic root of 1010123678 is about 1003.3632353007.

Adding to 1010123678 its reverse (8763210101), we get a palindrome (9773333779).

The spelling of 1010123678 in words is "one billion, ten million, one hundred twenty-three thousand, six hundred seventy-eight".