1014121109 has 2 divisors, whose sum is σ = 1014121110. Its totient is φ = 1014121108.

The previous prime is 1014121093. The next prime is 1014121127. The reversal of 1014121109 is 9011214101.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 861598609 + 152522500 = 29353^2 + 12350^2 .

It is a cyclic number.

It is not a de Polignac number, because 1014121109 - 2⁴ = 1014121093 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (1014121309) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 507060554 + 507060555.

It is an arithmetic number, because the mean of its divisors is an integer number (507060555).

Almost surely, 2^1014121109 is an apocalyptic number.

It is an amenable number.

1014121109 is a deficient number, since it is larger than the sum of its proper divisors (1).

1014121109 is an equidigital number, since it uses as much as digits as its factorization.

1014121109 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 72, while the sum is 20.

The square root of 1014121109 is about 31845.2682356422. The cubic root of 1014121109 is about 1004.6850523394.

The spelling of 1014121109 in words is "one billion, fourteen million, one hundred twenty-one thousand, one hundred nine".