1241534772 has 18 divisors (see below), whose sum is σ = 3138324098. Its totient is φ = 413844912.

The previous prime is 1241534753. The next prime is 1241534773. The reversal of 1241534772 is 2774351421.

1241534772 is a `hidden beast` number, since 1 + 241 + 5 + 347 + 72 = 666.

It can be written as a sum of positive squares in only one way, i.e., 706815396 + 534719376 = 26586^2 + 23124^2 .

It is a tau number, because it is divible by the number of its divisors (18).

It is a Harshad number since it is a multiple of its sum of digits (36), and also a Moran number because the ratio is a prime number: 34487077 = 1241534772 / (1 + 2 + 4 + 1 + 5 + 3 + 4 + 7 + 7 + 2).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1241534773) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 17243503 + ... + 17243574.

Almost surely, 2^1241534772 is an apocalyptic number.

1241534772 is a gapful number since it is divisible by the number (12) formed by its first and last digit.

It is an amenable number.

1241534772 is an abundant number, since it is smaller than the sum of its proper divisors (1896789326).

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

1241534772 is a wasteful number, since it uses less digits than its factorization.

1241534772 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 34487087 (or 34487082 counting only the distinct ones).

The product of its digits is 47040, while the sum is 36.

The square root of 1241534772 is about 35235.4192823074. The cubic root of 1241534772 is about 1074.7801308401.

The spelling of 1241534772 in words is "one billion, two hundred forty-one million, five hundred thirty-four thousand, seven hundred seventy-two".