61105402 has 8 divisors (see below), whose sum is σ = 94614912. Its totient is φ = 29567100.

The previous prime is 61105399. The next prime is 61105403. The reversal of 61105402 is 20450116.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a self number, because there is not a number n which added to its sum of digits gives 61105402.

It is not an unprimeable number, because it can be changed into a prime (61105403) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 492724 + ... + 492847.

It is an arithmetic number, because the mean of its divisors is an integer number (11826864).

Almost surely, 2^61105402 is an apocalyptic number.

61105402 is a gapful number since it is divisible by the number (62) formed by its first and last digit.

61105402 is a deficient number, since it is larger than the sum of its proper divisors (33509510).

61105402 is a wasteful number, since it uses less digits than its factorization.

61105402 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 985604.

The product of its (nonzero) digits is 240, while the sum is 19.

The square root of 61105402 is about 7816.9944352033. The cubic root of 61105402 is about 393.8763171780.

Adding to 61105402 its reverse (20450116), we get a palindrome (81555518).

The spelling of 61105402 in words is "sixty-one million, one hundred five thousand, four hundred two".