1342401621 has 8 divisors (see below), whose sum is σ = 1952584224. Its totient is φ = 813576720.

The previous prime is 1342401607. The next prime is 1342401637. The reversal of 1342401621 is 1261042431.

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

It is not a de Polignac number, because 1342401621 - 2⁵ = 1342401589 is a prime.

It is a super-2 number, since 2×1342401621² = 3604084224126855282, which contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 1342401591 and 1342401600.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1342401691) 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, 20339386 + ... + 20339451.

It is an arithmetic number, because the mean of its divisors is an integer number (244073028).

Almost surely, 2^1342401621 is an apocalyptic number.

1342401621 is a gapful number since it is divisible by the number (11) formed by its first and last digit.

It is an amenable number.

1342401621 is a deficient number, since it is larger than the sum of its proper divisors (610182603).

1342401621 is a wasteful number, since it uses less digits than its factorization.

1342401621 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 40678851.

The product of its (nonzero) digits is 1152, while the sum is 24.

The square root of 1342401621 is about 36638.7993935391. The cubic root of 1342401621 is about 1103.1320162100.

The spelling of 1342401621 in words is "one billion, three hundred forty-two million, four hundred one thousand, six hundred twenty-one".