1461223051 has 8 divisors (see below), whose sum is σ = 1543127040. Its totient is φ = 1380850152.

The previous prime is 1461223031. The next prime is 1461223069. The reversal of 1461223051 is 1503221641.

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 1461223051 - 2⁵ = 1461223019 is a prime.

It is not an unprimeable number, because it can be changed into a prime (1461223031) 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 7 ways as a sum of consecutive naturals, for example, 380811 + ... + 384628.

It is an arithmetic number, because the mean of its divisors is an integer number (192890880).

Almost surely, 2^1461223051 is an apocalyptic number.

1461223051 is a deficient number, since it is larger than the sum of its proper divisors (81903989).

1461223051 is an equidigital number, since it uses as much as digits as its factorization.

1461223051 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 765545.

The product of its (nonzero) digits is 1440, while the sum is 25.

The square root of 1461223051 is about 38225.9473525510. The cubic root of 1461223051 is about 1134.7638834264.

Adding to 1461223051 its reverse (1503221641), we get a palindrome (2964444692).

The spelling of 1461223051 in words is "one billion, four hundred sixty-one million, two hundred twenty-three thousand, fifty-one".