123997802 has 8 divisors (see below), whose sum is σ = 186549636. Its totient is φ = 61814592.

The previous prime is 123997759. The next prime is 123997829. The reversal of 123997802 is 208799321.

It is a happy number.

It can be written as a sum of positive squares in 2 ways, for example, as 115111441 + 8886361 = 10729^2 + 2981^2 .

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

It is a self number, because there is not a number n which added to its sum of digits gives 123997802.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 91313 + ... + 92660.

Almost surely, 2^123997802 is an apocalyptic number.

123997802 is a deficient number, since it is larger than the sum of its proper divisors (62551834).

123997802 is a wasteful number, since it uses less digits than its factorization.

123997802 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 184312.

The product of its (nonzero) digits is 54432, while the sum is 41.

The square root of 123997802 is about 11135.4300321092. The cubic root of 123997802 is about 498.6601488046.

The spelling of 123997802 in words is "one hundred twenty-three million, nine hundred ninety-seven thousand, eight hundred two".