1461132901 has 4 divisors (see below), whose sum is σ = 1474537900. Its totient is φ = 1447727904.

The previous prime is 1461132899. The next prime is 1461132979. The reversal of 1461132901 is 1092311641.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 1092311641 = 71 ⋅15384671.

It can be written as a sum of positive squares in 2 ways, for example, as 1155932001 + 305200900 = 33999^2 + 17470^2 .

It is a cyclic number.

It is not a de Polignac number, because 1461132901 - 2¹ = 1461132899 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 1461132901.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1461138901) 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, 6702336 + ... + 6702553.

It is an arithmetic number, because the mean of its divisors is an integer number (368634475).

Almost surely, 2^1461132901 is an apocalyptic number.

It is an amenable number.

1461132901 is a deficient number, since it is larger than the sum of its proper divisors (13404999).

1461132901 is a wasteful number, since it uses less digits than its factorization.

1461132901 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 13404998.

The product of its (nonzero) digits is 1296, while the sum is 28.

The square root of 1461132901 is about 38224.7681614945. The cubic root of 1461132901 is about 1134.7405465676.

The spelling of 1461132901 in words is "one billion, four hundred sixty-one million, one hundred thirty-two thousand, nine hundred one".