102263070 has 128 divisors (see below), whose sum is σ = 308883456. Its totient is φ = 21090816.

The previous prime is 102263069. The next prime is 102263071. The reversal of 102263070 is 70362201.

It is a happy number.

It is an interprime number because it is at equal distance from previous prime (102263069) and next prime (102263071).

It is a Harshad number since it is a multiple of its sum of digits (21).

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (102263071) 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, 127912 + ... + 128708.

It is an arithmetic number, because the mean of its divisors is an integer number (2413152).

Almost surely, 2^102263070 is an apocalyptic number.

102263070 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is a practical number, because each smaller number is the sum of distinct divisors of 102263070, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (154441728).

102263070 is an abundant number, since it is smaller than the sum of its proper divisors (206620386).

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

102263070 is a wasteful number, since it uses less digits than its factorization.

102263070 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 874.

The product of its (nonzero) digits is 504, while the sum is 21.

The square root of 102263070 is about 10112.5204573341. The cubic root of 102263070 is about 467.6342108496.

The spelling of 102263070 in words is "one hundred two million, two hundred sixty-three thousand, seventy".