1541172 has 12 divisors (see below), whose sum is σ = 3596096. Its totient is φ = 513720.

The previous prime is 1541171. The next prime is 1541191. The reversal of 1541172 is 2711451.

It is a happy number.

It is a tau number, because it is divible by the number of its divisors (12).

It is a super-2 number, since 2×1541172² = 4750422267168, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1541171) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 64204 + ... + 64227.

2^1541172 is an apocalyptic number.

1541172 is a gapful number since it is divisible by the number (12) formed by its first and last digit.

It is an amenable number.

1541172 is an abundant number, since it is smaller than the sum of its proper divisors (2054924).

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

1541172 is a wasteful number, since it uses less digits than its factorization.

1541172 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 128438 (or 128436 counting only the distinct ones).

The product of its digits is 280, while the sum is 21.

The square root of 1541172 is about 1241.4394870472. The cubic root of 1541172 is about 115.5093225361.

It can be divided in two parts, 154 and 1172, that added together give a triangular number (1326 = T₅₁).

The spelling of 1541172 in words is "one million, five hundred forty-one thousand, one hundred seventy-two".