1368750 has 48 divisors (see below), whose sum is σ = 3468528. Its totient is φ = 360000.

The previous prime is 1368739. The next prime is 1368761. The reversal of 1368750 is 578631.

1368750 = T₁₅₆ + T₁₅₇ + ... + T₂₂₈.

It is an interprime number because it is at equal distance from previous prime (1368739) and next prime (1368761).

It is a Harshad number since it is a multiple of its sum of digits (30).

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 23 ways as a sum of consecutive naturals, for example, 18714 + ... + 18786.

It is an arithmetic number, because the mean of its divisors is an integer number (72261).

2^1368750 is an apocalyptic number.

1368750 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 1368750, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1734264).

1368750 is an abundant number, since it is smaller than the sum of its proper divisors (2099778).

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

1368750 is an frugal number, since it uses more digits than its factorization.

1368750 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 103 (or 83 counting only the distinct ones).

The product of its (nonzero) digits is 5040, while the sum is 30.

The square root of 1368750 is about 1169.9358956798. The cubic root of 1368750 is about 111.0302652639.

The spelling of 1368750 in words is "one million, three hundred sixty-eight thousand, seven hundred fifty".