102401042 has 8 divisors (see below), whose sum is σ = 155705916. Its totient is φ = 50499072.

The previous prime is 102401041. The next prime is 102401053. The reversal of 102401042 is 240104201.

It can be written as a sum of positive squares in 2 ways, for example, as 93334921 + 9066121 = 9661^2 + 3011^2 .

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

It is not an unprimeable number, because it can be changed into a prime (102401041) 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, 350543 + ... + 350834.

Almost surely, 2^102401042 is an apocalyptic number.

102401042 is a deficient number, since it is larger than the sum of its proper divisors (53304874).

102401042 is an equidigital number, since it uses as much as digits as its factorization.

102401042 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 701452.

The product of its (nonzero) digits is 64, while the sum is 14.

The square root of 102401042 is about 10119.3399982410. The cubic root of 102401042 is about 467.8444249975.

Adding to 102401042 its reverse (240104201), we get a palindrome (342505243).

The spelling of 102401042 in words is "one hundred two million, four hundred one thousand, forty-two".