1401560 has 32 divisors (see below), whose sum is σ = 3242160. Its totient is φ = 544896.

The previous prime is 1401559. The next prime is 1401571. The reversal of 1401560 is 651041.

It is a happy number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1007 + ... + 1953.

2^1401560 is an apocalyptic number.

1401560 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 1401560, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1621080).

1401560 is an abundant number, since it is smaller than the sum of its proper divisors (1840600).

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

1401560 is a wasteful number, since it uses less digits than its factorization.

1401560 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 995 (or 991 counting only the distinct ones).

The product of its (nonzero) digits is 120, while the sum is 17.

The square root of 1401560 is about 1183.8749934009. The cubic root of 1401560 is about 111.9104300879.

The spelling of 1401560 in words is "one million, four hundred one thousand, five hundred sixty".