1421684101 has 16 divisors (see below), whose sum is σ = 1512898560. Its totient is φ = 1332177840.

The previous prime is 1421684093. The next prime is 1421684107. The reversal of 1421684101 is 1014861241.

It is a cyclic number.

It is not a de Polignac number, because 1421684101 - 2³ = 1421684093 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 1421684101.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1421684107) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 1039320 + ... + 1040686.

It is an arithmetic number, because the mean of its divisors is an integer number (94556160).

Almost surely, 2^1421684101 is an apocalyptic number.

It is an amenable number.

1421684101 is a deficient number, since it is larger than the sum of its proper divisors (91214459).

1421684101 is a wasteful number, since it uses less digits than its factorization.

1421684101 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1944.

The product of its (nonzero) digits is 1536, while the sum is 28.

The square root of 1421684101 is about 37705.2264414365. The cubic root of 1421684101 is about 1124.4350351091.

The spelling of 1421684101 in words is "one billion, four hundred twenty-one million, six hundred eighty-four thousand, one hundred one".