1461103961 has 4 divisors (see below), whose sum is σ = 1461268752. Its totient is φ = 1460939172.

The previous prime is 1461103949. The next prime is 1461103999. The reversal of 1461103961 is 1693011641.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4, and also an emirpimes, since its reverse is a distinct semiprime: 1693011641 = 4217 ⋅401473.

It is a cyclic number.

It is not a de Polignac number, because 1461103961 - 2¹⁴ = 1461087577 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (1461106961) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 68291 + ... + 87096.

It is an arithmetic number, because the mean of its divisors is an integer number (365317188).

Almost surely, 2^1461103961 is an apocalyptic number.

It is an amenable number.

1461103961 is a deficient number, since it is larger than the sum of its proper divisors (164791).

1461103961 is an equidigital number, since it uses as much as digits as its factorization.

1461103961 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 164790.

The product of its (nonzero) digits is 3888, while the sum is 32.

The square root of 1461103961 is about 38224.3896092534. The cubic root of 1461103961 is about 1134.7330547535.

The spelling of 1461103961 in words is "one billion, four hundred sixty-one million, one hundred three thousand, nine hundred sixty-one".