121949053 has 2 divisors, whose sum is σ = 121949054. Its totient is φ = 121949052.

The previous prime is 121949039. The next prime is 121949099. The reversal of 121949053 is 350949121.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 100761444 + 21187609 = 10038^2 + 4603^2 .

It is an emirp because it is prime and its reverse (350949121) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 121949053 - 2⁵ = 121949021 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (121949153) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 60974526 + 60974527.

It is an arithmetic number, because the mean of its divisors is an integer number (60974527).

Almost surely, 2^121949053 is an apocalyptic number.

It is an amenable number.

121949053 is a deficient number, since it is larger than the sum of its proper divisors (1).

121949053 is an equidigital number, since it uses as much as digits as its factorization.

121949053 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 9720, while the sum is 34.

The square root of 121949053 is about 11043.0545140373. The cubic root of 121949053 is about 495.8985183577.

The spelling of 121949053 in words is "one hundred twenty-one million, nine hundred forty-nine thousand, fifty-three".