102420150 has 96 divisors (see below), whose sum is σ = 302980608. Its totient is φ = 22387200.

The previous prime is 102420137. The next prime is 102420151. The reversal of 102420150 is 51024201.

It is a Harshad number since it is a multiple of its sum of digits (15).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (102420151) by changing a digit.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 22030 + ... + 26270.

It is an arithmetic number, because the mean of its divisors is an integer number (3156048).

Almost surely, 2^102420150 is an apocalyptic number.

102420150 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 102420150, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (151490304).

102420150 is an abundant number, since it is smaller than the sum of its proper divisors (200560458).

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

102420150 is a wasteful number, since it uses less digits than its factorization.

102420150 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4286 (or 4281 counting only the distinct ones).

The product of its (nonzero) digits is 80, while the sum is 15.

The square root of 102420150 is about 10120.2840869217. The cubic root of 102420150 is about 467.8735230584.

Adding to 102420150 its reverse (51024201), we get a palindrome (153444351).

The spelling of 102420150 in words is "one hundred two million, four hundred twenty thousand, one hundred fifty".