1248081461 has 8 divisors (see below), whose sum is σ = 1362160800. Its totient is φ = 1134105040.

The previous prime is 1248081413. The next prime is 1248081463. The reversal of 1248081461 is 1641808421.

It is a happy number.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 1248081461 - 2⁶ = 1248081397 is a prime.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1248081463) 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, 830 + ... + 49968.

It is an arithmetic number, because the mean of its divisors is an integer number (170270100).

Almost surely, 2^1248081461 is an apocalyptic number.

1248081461 is a gapful number since it is divisible by the number (11) formed by its first and last digit.

It is an amenable number.

1248081461 is a deficient number, since it is larger than the sum of its proper divisors (114079339).

1248081461 is a wasteful number, since it uses less digits than its factorization.

1248081461 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 51459.

The product of its (nonzero) digits is 12288, while the sum is 35.

The square root of 1248081461 is about 35328.1964017412. The cubic root of 1248081461 is about 1076.6659472220.

Adding to 1248081461 its reverse (1641808421), we get a palindrome (2889889882).

The spelling of 1248081461 in words is "one billion, two hundred forty-eight million, eighty-one thousand, four hundred sixty-one".