102363842 has 12 divisors (see below), whose sum is σ = 178614630. Its totient is φ = 43870176.

The previous prime is 102363841. The next prime is 102363847. The reversal of 102363842 is 248363201.

It can be written as a sum of positive squares in only one way, i.e., 79905721 + 22458121 = 8939^2 + 4739^2 .

It is a super-2 number, since 2×102363842² = 20956712298001928, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (102363841) by changing a digit.

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 5 ways as a sum of consecutive naturals, for example, 522167 + ... + 522362.

Almost surely, 2^102363842 is an apocalyptic number.

102363842 is a deficient number, since it is larger than the sum of its proper divisors (76250788).

102363842 is a wasteful number, since it uses less digits than its factorization.

102363842 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1044545 (or 1044538 counting only the distinct ones).

The product of its (nonzero) digits is 6912, while the sum is 29.

The square root of 102363842 is about 10117.5017667406. The cubic root of 102363842 is about 467.7877656765.

The spelling of 102363842 in words is "one hundred two million, three hundred sixty-three thousand, eight hundred forty-two".