1361272 has 32 divisors (see below), whose sum is σ = 2880000. Its totient is φ = 597600.

The previous prime is 1361197. The next prime is 1361273. The reversal of 1361272 is 2721631.

It is a super-2 number, since 2×1361272² = 3706122915968, which contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (22).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1361273) 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, 2479 + ... + 2977.

It is an arithmetic number, because the mean of its divisors is an integer number (90000).

2^1361272 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 1361272, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1440000).

1361272 is an abundant number, since it is smaller than the sum of its proper divisors (1518728).

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

1361272 is a wasteful number, since it uses less digits than its factorization.

1361272 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 547 (or 543 counting only the distinct ones).

The product of its digits is 504, while the sum is 22.

The square root of 1361272 is about 1166.7356170101. The cubic root of 1361272 is about 110.8276957704.

The spelling of 1361272 in words is "one million, three hundred sixty-one thousand, two hundred seventy-two".