102294738 has 128 divisors (see below), whose sum is σ = 284336640. Its totient is φ = 26873856.

The previous prime is 102294737. The next prime is 102294739. The reversal of 102294738 is 837492201.

It is an interprime number because it is at equal distance from previous prime (102294737) and next prime (102294739).

It is not an unprimeable number, because it can be changed into a prime (102294733) by changing a digit.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 397906 + ... + 398162.

It is an arithmetic number, because the mean of its divisors is an integer number (2221380).

Almost surely, 2^102294738 is an apocalyptic number.

102294738 is a gapful number since it is divisible by the number (18) formed by its first and last digit.

It is a practical number, because each smaller number is the sum of distinct divisors of 102294738, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (142168320).

102294738 is an abundant number, since it is smaller than the sum of its proper divisors (182041902).

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

102294738 is an equidigital number, since it uses as much as digits as its factorization.

102294738 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 300 (or 282 counting only the distinct ones).

The product of its (nonzero) digits is 24192, while the sum is 36.

The square root of 102294738 is about 10114.0861178853. The cubic root of 102294738 is about 467.6824769271.

The spelling of 102294738 in words is "one hundred two million, two hundred ninety-four thousand, seven hundred thirty-eight".