1242960 has 40 divisors (see below), whose sum is σ = 3853920. Its totient is φ = 331392.

The previous prime is 1242959. The next prime is 1242977. The reversal of 1242960 is 692421.

It is a tau number, because it is divible by the number of its divisors (40).

It is a Harshad number since it is a multiple of its sum of digits (24).

It is a zygodrome in base 11.

It is a self number, because there is not a number n which added to its sum of digits gives 1242960.

It is a congruent number.

It is an unprimeable number.

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 7 ways as a sum of consecutive naturals, for example, 2350 + ... + 2829.

It is an arithmetic number, because the mean of its divisors is an integer number (96348).

2^1242960 is an apocalyptic number.

1242960 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

1242960 is an abundant number, since it is smaller than the sum of its proper divisors (2610960).

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

1242960 is a wasteful number, since it uses less digits than its factorization.

1242960 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5195 (or 5189 counting only the distinct ones).

The product of its (nonzero) digits is 864, while the sum is 24.

The square root of 1242960 is about 1114.8811595861. The cubic root of 1242960 is about 107.5191240539.

The spelling of 1242960 in words is "one million, two hundred forty-two thousand, nine hundred sixty".