1013121107 has 2 divisors, whose sum is σ = 1013121108. Its totient is φ = 1013121106.

The previous prime is 1013121091. The next prime is 1013121113. The reversal of 1013121107 is 7011213101.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 1013121107 - 2⁴ = 1013121091 is a prime.

It is not a weakly prime, because it can be changed into another prime (1013121407) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 506560553 + 506560554.

It is an arithmetic number, because the mean of its divisors is an integer number (506560554).

Almost surely, 2^1013121107 is an apocalyptic number.

1013121107 is a deficient number, since it is larger than the sum of its proper divisors (1).

1013121107 is an equidigital number, since it uses as much as digits as its factorization.

1013121107 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 42, while the sum is 17.

The square root of 1013121107 is about 31829.5634120231. The cubic root of 1013121107 is about 1004.3547112960.

Adding to 1013121107 its reverse (7011213101), we get a palindrome (8024334208).

The spelling of 1013121107 in words is "one billion, thirteen million, one hundred twenty-one thousand, one hundred seven".