1230102 has 24 divisors (see below), whose sum is σ = 2738736. Its totient is φ = 398736.

The previous prime is 1230071. The next prime is 1230107. The reversal of 1230102 is 2010321.

It is a happy number.

It is a Harshad number since it is a multiple of its sum of digits (9).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1230107) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 258 + ... + 1589.

It is an arithmetic number, because the mean of its divisors is an integer number (114114).

2^1230102 is an apocalyptic number.

1230102 is an abundant number, since it is smaller than the sum of its proper divisors (1508634).

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

1230102 is a wasteful number, since it uses less digits than its factorization.

1230102 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1892 (or 1889 counting only the distinct ones).

The product of its (nonzero) digits is 12, while the sum is 9.

The square root of 1230102 is about 1109.0996348390. The cubic root of 1230102 is about 107.1470885948.

Adding to 1230102 its reverse (2010321), we get a palindrome (3240423).

The spelling of 1230102 in words is "one million, two hundred thirty thousand, one hundred two".