102263742 has 32 divisors (see below), whose sum is σ = 259718400. Its totient is φ = 29218104.

The previous prime is 102263741. The next prime is 102263743. The reversal of 102263742 is 247362201.

102263742 is a `hidden beast` number, since 1 + 0 + 22 + 637 + 4 + 2 = 666.

It is an interprime number because it is at equal distance from previous prime (102263741) and next prime (102263743).

It is a Harshad number since it is a multiple of its sum of digits (27).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (102263741) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 134892 + ... + 135647.

It is an arithmetic number, because the mean of its divisors is an integer number (8116200).

Almost surely, 2^102263742 is an apocalyptic number.

102263742 is an abundant number, since it is smaller than the sum of its proper divisors (157454658).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

102263742 is a wasteful number, since it uses less digits than its factorization.

102263742 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 270557 (or 270551 counting only the distinct ones).

The product of its (nonzero) digits is 4032, while the sum is 27.

The square root of 102263742 is about 10112.5536834175. The cubic root of 102263742 is about 467.6352351669.

The spelling of 102263742 in words is "one hundred two million, two hundred sixty-three thousand, seven hundred forty-two".