1372261 has 8 divisors (see below), whose sum is σ = 1510848. Its totient is φ = 1246300.

The previous prime is 1372253. The next prime is 1372271. The reversal of 1372261 is 1622731.

1372261 = T₈₆ + T₈₇ + ... + T₂₀₆.

It is not a de Polignac number, because 1372261 - 2³ = 1372253 is a prime.

It is an Ulam number.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1372211) 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, 816 + ... + 1846.

It is an arithmetic number, because the mean of its divisors is an integer number (188856).

2^1372261 is an apocalyptic number.

1372261 is a gapful number since it is divisible by the number (11) formed by its first and last digit.

It is an amenable number.

1372261 is a deficient number, since it is larger than the sum of its proper divisors (138587).

1372261 is an equidigital number, since it uses as much as digits as its factorization.

1372261 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1064 (or 1042 counting only the distinct ones).

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

The square root of 1372261 is about 1171.4354442307. The cubic root of 1372261 is about 111.1251193079.

Adding to 1372261 its reverse (1622731), we get a palindrome (2994992).

The spelling of 1372261 in words is "one million, three hundred seventy-two thousand, two hundred sixty-one".