123456776 has 16 divisors (see below), whose sum is σ = 234412800. Its totient is φ = 60946704.

The previous prime is 123456761. The next prime is 123456791. The reversal of 123456776 is 677654321.

It is an interprime number because it is at equal distance from previous prime (123456761) and next prime (123456791).

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 97040 + ... + 98303.

It is an arithmetic number, because the mean of its divisors is an integer number (14650800).

Almost surely, 2^123456776 is an apocalyptic number.

It is an amenable number.

123456776 is a deficient number, since it is larger than the sum of its proper divisors (110956024).

123456776 is a wasteful number, since it uses less digits than its factorization.

123456776 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 195428 (or 195424 counting only the distinct ones).

The product of its digits is 211680, while the sum is 41.

The square root of 123456776 is about 11111.1104755555. The cubic root of 123456776 is about 497.9338417407.

The spelling of 123456776 in words is "one hundred twenty-three million, four hundred fifty-six thousand, seven hundred seventy-six".