119878531 has 2 divisors, whose sum is σ = 119878532. Its totient is φ = 119878530.

The previous prime is 119878439. The next prime is 119878537. The reversal of 119878531 is 135878911.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 119878531 - 2⁷ = 119878403 is a prime.

It is a super-2 number, since 2×119878531² = 28741724389435922, which contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (119878537) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 59939265 + 59939266.

It is an arithmetic number, because the mean of its divisors is an integer number (59939266).

Almost surely, 2^119878531 is an apocalyptic number.

119878531 is a deficient number, since it is larger than the sum of its proper divisors (1).

119878531 is an equidigital number, since it uses as much as digits as its factorization.

119878531 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 60480, while the sum is 43.

The square root of 119878531 is about 10948.9054704112. The cubic root of 119878531 is about 493.0759318384.

It can be divided in two parts, 119878 and 531, that added together give a square (120409 = 347²).

The spelling of 119878531 in words is "one hundred nineteen million, eight hundred seventy-eight thousand, five hundred thirty-one".