1202100406 has 8 divisors (see below), whose sum is σ = 1941854544. Its totient is φ = 554815560.

The previous prime is 1202100391. The next prime is 1202100407. The reversal of 1202100406 is 6040012021.

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

It is a super-2 number, since 2×1202100406² = 2890090772210729672, which contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 1202100406.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1202100407) 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, 23117290 + ... + 23117341.

It is an arithmetic number, because the mean of its divisors is an integer number (242731818).

Almost surely, 2^1202100406 is an apocalyptic number.

1202100406 is a deficient number, since it is larger than the sum of its proper divisors (739754138).

1202100406 is a wasteful number, since it uses less digits than its factorization.

1202100406 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 46234646.

The product of its (nonzero) digits is 96, while the sum is 16.

The square root of 1202100406 is about 34671.3196460706. The cubic root of 1202100406 is about 1063.2782118047.

Adding to 1202100406 its reverse (6040012021), we get a palindrome (7242112427).

The spelling of 1202100406 in words is "one billion, two hundred two million, one hundred thousand, four hundred six".