121436002 has 4 divisors (see below), whose sum is σ = 182154006. Its totient is φ = 60718000.

The previous prime is 121435987. The next prime is 121436009. The reversal of 121436002 is 200634121.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 200634121 = 97 ⋅2068393.

It can be written as a sum of positive squares in only one way, i.e., 73119601 + 48316401 = 8551^2 + 6951^2 .

It is not an unprimeable number, because it can be changed into a prime (121436009) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 30358999 + ... + 30359002.

Almost surely, 2^121436002 is an apocalyptic number.

121436002 is a deficient number, since it is larger than the sum of its proper divisors (60718004).

121436002 is an equidigital number, since it uses as much as digits as its factorization.

121436002 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 60718003.

The product of its (nonzero) digits is 288, while the sum is 19.

The square root of 121436002 is about 11019.8004519138. The cubic root of 121436002 is about 495.2021104398.

It can be divided in two parts, 12143 and 6002, that added together give a triangular number (18145 = T₁₉₀).

The spelling of 121436002 in words is "one hundred twenty-one million, four hundred thirty-six thousand, two".