121403002 has 16 divisors (see below), whose sum is σ = 211648320. Its totient is φ = 51147648.

The previous prime is 121402987. The next prime is 121403003. The reversal of 121403002 is 200304121.

It is a super-2 number, since 2×121403002² = 29477377789224008, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (121403003) 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 in 7 ways as a sum of consecutive naturals, for example, 72663 + ... + 74314.

It is an arithmetic number, because the mean of its divisors is an integer number (13228020).

Almost surely, 2^121403002 is an apocalyptic number.

121403002 is a deficient number, since it is larger than the sum of its proper divisors (90245318).

121403002 is a wasteful number, since it uses less digits than its factorization.

121403002 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 147045.

The product of its (nonzero) digits is 48, while the sum is 13.

The square root of 121403002 is about 11018.3030453877. The cubic root of 121403002 is about 495.1572496355.

Adding to 121403002 its reverse (200304121), we get a palindrome (321707123).

The spelling of 121403002 in words is "one hundred twenty-one million, four hundred three thousand, two".