1121214931 has 2 divisors, whose sum is σ = 1121214932. Its totient is φ = 1121214930.

The previous prime is 1121214893. The next prime is 1121214961. The reversal of 1121214931 is 1394121211.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 1121214931 - 2⁷ = 1121214803 is a prime.

It is a super-2 number, since 2×1121214931² = 2514245842994669522, which contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 1121214896 and 1121214905.

It is not a weakly prime, because it can be changed into another prime (1121214961) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 560607465 + 560607466.

It is an arithmetic number, because the mean of its divisors is an integer number (560607466).

Almost surely, 2^1121214931 is an apocalyptic number.

1121214931 is a deficient number, since it is larger than the sum of its proper divisors (1).

1121214931 is an equidigital number, since it uses as much as digits as its factorization.

1121214931 is an evil number, because the sum of its binary digits is even.

The product of its digits is 432, while the sum is 25.

The square root of 1121214931 is about 33484.5476451452. The cubic root of 1121214931 is about 1038.8741919386.

The spelling of 1121214931 in words is "one billion, one hundred twenty-one million, two hundred fourteen thousand, nine hundred thirty-one".