121031461 has 2 divisors, whose sum is σ = 121031462. Its totient is φ = 121031460.

The previous prime is 121031437. The next prime is 121031473. The reversal of 121031461 is 164130121.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 120340900 + 690561 = 10970^2 + 831^2 .

It is a cyclic number.

It is not a de Polignac number, because 121031461 - 2⁵ = 121031429 is a prime.

It is a super-2 number, since 2×121031461² = 29297229103589042, which contains 22 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (121037461) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 60515730 + 60515731.

It is an arithmetic number, because the mean of its divisors is an integer number (60515731).

Almost surely, 2^121031461 is an apocalyptic number.

It is an amenable number.

121031461 is a deficient number, since it is larger than the sum of its proper divisors (1).

121031461 is an equidigital number, since it uses as much as digits as its factorization.

121031461 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 144, while the sum is 19.

The square root of 121031461 is about 11001.4299525107. The cubic root of 121031461 is about 494.6516080638.

Adding to 121031461 its reverse (164130121), we get a palindrome (285161582).

The spelling of 121031461 in words is "one hundred twenty-one million, thirty-one thousand, four hundred sixty-one".