1421246061 has 16 divisors (see below), whose sum is σ = 2197096320. Its totient is φ = 906301440.

The previous prime is 1421246051. The next prime is 1421246069. The reversal of 1421246061 is 1606421241.

1421246061 is a `hidden beast` number, since 1 + 42 + 12 + 4 + 606 + 1 = 666.

It is not a de Polignac number, because 1421246061 - 2⁶ = 1421245997 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (27).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1421246069) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 1143700 + ... + 1144941.

It is an arithmetic number, because the mean of its divisors is an integer number (137318520).

Almost surely, 2^1421246061 is an apocalyptic number.

It is an amenable number.

1421246061 is a deficient number, since it is larger than the sum of its proper divisors (775850259).

1421246061 is a wasteful number, since it uses less digits than its factorization.

1421246061 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2288673 (or 2288667 counting only the distinct ones).

The product of its (nonzero) digits is 2304, while the sum is 27.

The square root of 1421246061 is about 37699.4172501380. The cubic root of 1421246061 is about 1124.3195387252.

The spelling of 1421246061 in words is "one billion, four hundred twenty-one million, two hundred forty-six thousand, sixty-one".