48690121 has 2 divisors, whose sum is σ = 48690122. Its totient is φ = 48690120.

The previous prime is 48690107. The next prime is 48690127. The reversal of 48690121 is 12109684.

It is a happy number.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 48372025 + 318096 = 6955^2 + 564^2 .

It is a cyclic number.

It is not a de Polignac number, because 48690121 - 2¹³ = 48681929 is a prime.

It is a Chen prime.

It is not a weakly prime, because it can be changed into another prime (48690127) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 24345060 + 24345061.

It is an arithmetic number, because the mean of its divisors is an integer number (24345061).

Almost surely, 2^48690121 is an apocalyptic number.

It is an amenable number.

48690121 is a deficient number, since it is larger than the sum of its proper divisors (1).

48690121 is an equidigital number, since it uses as much as digits as its factorization.

48690121 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 3456, while the sum is 31.

The square root of 48690121 is about 6977.8306800896. The cubic root of 48690121 is about 365.1575500494.

The spelling of 48690121 in words is "forty-eight million, six hundred ninety thousand, one hundred twenty-one".