121549002 has 16 divisors (see below), whose sum is σ = 243416352. Its totient is φ = 40463280.

The previous prime is 121548971. The next prime is 121549007. The reversal of 121549002 is 200945121.

It is not an unprimeable number, because it can be changed into a prime (121549007) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 8149 + ... + 17592.

It is an arithmetic number, because the mean of its divisors is an integer number (15213522).

Almost surely, 2^121549002 is an apocalyptic number.

121549002 is an abundant number, since it is smaller than the sum of its proper divisors (121867350).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

121549002 is a wasteful number, since it uses less digits than its factorization.

121549002 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 26533.

The product of its (nonzero) digits is 720, while the sum is 24.

The square root of 121549002 is about 11024.9263943121. The cubic root of 121549002 is about 495.3556631745.

The spelling of 121549002 in words is "one hundred twenty-one million, five hundred forty-nine thousand, two".