1215102 has 24 divisors (see below), whose sum is σ = 2827656. Its totient is φ = 347088.

The previous prime is 1215083. The next prime is 1215103. The reversal of 1215102 is 2015121.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1215103) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 1773 + ... + 2360.

It is an arithmetic number, because the mean of its divisors is an integer number (117819).

2^1215102 is an apocalyptic number.

1215102 is an abundant number, since it is smaller than the sum of its proper divisors (1612554).

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

1215102 is a wasteful number, since it uses less digits than its factorization.

1215102 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4152 (or 4145 counting only the distinct ones).

The product of its (nonzero) digits is 20, while the sum is 12.

The square root of 1215102 is about 1102.3166514210. The cubic root of 1215102 is about 106.7097850850.

The spelling of 1215102 in words is "one million, two hundred fifteen thousand, one hundred two".