1946492121 has 24 divisors (see below), whose sum is σ = 3023663040. Its totient is φ = 1110581472.

The previous prime is 1946492111. The next prime is 1946492131. The reversal of 1946492121 is 1212946491.

It is an interprime number because it is at equal distance from previous prime (1946492111) and next prime (1946492131).

It is not a de Polignac number, because 1946492121 - 2⁵ = 1946492089 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 1946492121.

It is not an unprimeable number, because it can be changed into a prime (1946492101) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 89740 + ... + 109298.

It is an arithmetic number, because the mean of its divisors is an integer number (125985960).

Almost surely, 2^1946492121 is an apocalyptic number.

It is an amenable number.

1946492121 is a deficient number, since it is larger than the sum of its proper divisors (1077170919).

1946492121 is a wasteful number, since it uses less digits than its factorization.

1946492121 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 20253 (or 20246 counting only the distinct ones).

The product of its digits is 31104, while the sum is 39.

The square root of 1946492121 is about 44119.0675445436. The cubic root of 1946492121 is about 1248.5833809722.

It can be divided in two parts, 1946492 and 121, that multiplied together give a palindrome (235525532).

The spelling of 1946492121 in words is "one billion, nine hundred forty-six million, four hundred ninety-two thousand, one hundred twenty-one".