1230072 has 32 divisors (see below), whose sum is σ = 3110400. Its totient is φ = 405344.

The previous prime is 1230071. The next prime is 1230107. The reversal of 1230072 is 2700321.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1230071) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 2329 + ... + 2807.

It is an arithmetic number, because the mean of its divisors is an integer number (97200).

2^1230072 is an apocalyptic number.

1230072 is a gapful number since it is divisible by the number (12) formed by its first and last digit.

It is an amenable number.

1230072 is an abundant number, since it is smaller than the sum of its proper divisors (1880328).

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

1230072 is a wasteful number, since it uses less digits than its factorization.

1230072 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 595 (or 591 counting only the distinct ones).

The product of its (nonzero) digits is 84, while the sum is 15.

The square root of 1230072 is about 1109.0861102728. The cubic root of 1230072 is about 107.1462175454.

Adding to 1230072 its reverse (2700321), we get a palindrome (3930393).

The spelling of 1230072 in words is "one million, two hundred thirty thousand, seventy-two".